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V/154/sdss16

Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020)

Data Release 16 (469,050,976 primary sources plus 325,277,739 secondary sources) (original column names in green) (1231051050 rows)

-c=044.678031 +00.305041, eq=ICRS, rs=2

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*Column*	*Value*		*Explain (UCD)*
_r	0.000	arcsec	Distance from center (044.678031+00.305041)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 58 42.72744	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 18 18.1476	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 56 08.81302	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 06 21.5165	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.28700893	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.92098726	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

objID	1237645878501704255		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.678031	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.305041	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237645878501703680		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	3		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	79792574792		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	23.057	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	21.513	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	21.231	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	20.999	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	20.923	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.416	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.054	mag	Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.054	mag	Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.072	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.351	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	21.313	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	21.146	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.986	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	20.802	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.507	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.666	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.260	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.101	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.557	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.777	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	2.686	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.655	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	11.303	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	3.682	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	4.734	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	2.534	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.219	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	1.176	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	4.654	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	5.507	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	1.650	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	2.600	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	1.805	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	6.372	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.372		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.287		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.336		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.062		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	60.4	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	169.6	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	176.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	162.1	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	116.7	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	209748041		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	275213484104		Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)
flags_r	4503874840991048		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275347701832		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	209748041		Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	3		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	0.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	0.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	0.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.048	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.074	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.04	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.06	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.21	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.06	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	-0.05	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.07	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)
u	22.390	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.589	mag	⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	20.065	mag	⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.856	mag	⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.938	mag	⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.517	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.049	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.047	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.064	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.331	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)
spec_z			⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)
pm_match	0		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)
pm_pmRa	0.00	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.00	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	0.00	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	0.00	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	0.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	0.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	0		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	0.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	0.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11) (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			⁽ⁱ⁾ [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12) (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12) (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12) (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12) (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13) (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	51075.4235	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	51075.4252	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	51075.4218	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	51075.4227	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	51075.4243	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025842.72+001818.1		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	94-301-4-0466-0575		⁽ⁱ⁾ SDSS object identifier (run-rerun-camcol-field-object) (Note 1) (meta.id) (ID_ALTERNATIVE)
Sp-ID			⁽ⁱ⁾ Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	51075.4235	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Find more around this position in :

Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.015	arcsec	Distance from center (044.678031+00.305041)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 58 42.72720	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 18 18.1620	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 56 08.81277	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 06 21.5308	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.28700352	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.92098518	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

objID	1237660008957280810		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.678030	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.305045	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237660008957280256		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	3		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	299136150798592		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	22.985	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	21.687	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	21.471	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	21.423	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	20.796	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.429	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.060	mag	Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.061	mag	Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.095	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.267	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	21.328	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	21.064	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	20.527	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	20.047	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	22.602	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.468	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.127	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.123	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.231	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	4.524	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	7.360	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.909	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	2.775	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	11.307	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.262	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.303	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.646	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.242	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	29.544	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	1.532	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	1.451	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	2.384	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.882	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.550		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.527		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.254		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.529		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.050		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	178.2	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	25.5	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	168.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	169.9	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	77.7	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199388992769		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	17867332550656		Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)
flags_r	4503874773745664		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275146376448		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	134250497		Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	3		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	0.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	0.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	0.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.038	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.066	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.03	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.09	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.10	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.01	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.20	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.00	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)
u	23.023	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	21.200	mag	⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	20.652	mag	⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	20.506	mag	⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	20.674	mag	⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.669	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.055	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.054	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.079	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.401	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)
spec_z			⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)
pm_match	0		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)
pm_pmRa	0.00	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.00	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	0.00	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	0.00	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	0.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	0.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	0		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	0.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	0.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11) (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			⁽ⁱ⁾ [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12) (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12) (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12) (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12) (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13) (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52557.4298	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	52557.4315	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	52557.4282	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	52557.4290	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	52557.4307	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025842.72+001818.1		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	3384-301-4-0667-0554		⁽ⁱ⁾ SDSS object identifier (run-rerun-camcol-field-object) (Note 1) (meta.id) (ID_ALTERNATIVE)
Sp-ID			⁽ⁱ⁾ Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52557.4298	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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*Column*	*Value*		*Explain (UCD)*
_r	0.021	arcsec	Distance from center (044.678031+00.305041)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 58 42.72864	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 18 18.1584	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 56 08.81421	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 06 21.5273	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.28701100	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.92098159	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

objID	1237653579354276310		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.678036	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.305044	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237653579354275840		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	3		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912192		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	22.985	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	21.647	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	20.977	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	20.846	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	20.390	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.447	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.062	mag	Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.057	mag	Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.062	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.202	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	28.076	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	21.021	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	20.185	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.978	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.288	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.604	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.167	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.121	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.157	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.380	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	1.725	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	3.355	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	3.862	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	2.733	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	4.980	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.623	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.496	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.825	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.231	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	4.822	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.227	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	1.843	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	1.463	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	1.901	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	5.185	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.098		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.231		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.848		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.490		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.162		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	111.9	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	180.0	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	147.0	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	160.6	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	4.9	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199388991489		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	275146375168		Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)
flags_r	4503874773745664		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	134250497		Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	3		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	0.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	0.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	0.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.062	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.072	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.00	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.04	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.05	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.01	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.09	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.15	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)
u	22.937	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.833	mag	⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	20.088	mag	⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.858	mag	⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.499	mag	⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.835	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.057	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.046	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.055	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.185	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)
spec_z			⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)
pm_match	0		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)
pm_pmRa	0.00	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.00	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	0.00	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	0.00	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	0.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	0.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	0		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	0.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	0.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11) (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			⁽ⁱ⁾ [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12) (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12) (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12) (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12) (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13) (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	51874.2475	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	51874.2492	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	51874.2458	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	51874.2467	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	51874.2483	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025842.72+001818.1		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	1887-301-4-0103-0470		⁽ⁱ⁾ SDSS object identifier (run-rerun-camcol-field-object) (Note 1) (meta.id) (ID_ALTERNATIVE)
Sp-ID			⁽ⁱ⁾ Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	51874.2475	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.031	arcsec	Distance from center (044.678031+00.305041)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 58 42.72864	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 18 18.1224	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 56 08.81422	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 06 21.4913	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.28702187	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.92098859	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

objID	1237646587157414444		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.678036	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.305034	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237646587157413888		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	3		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	268435712		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	22.829	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	22.027	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	21.359	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	21.135	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	21.198	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.250	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.062	mag	Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.058	mag	Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.064	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.255	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	22.096	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	21.065	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	20.163	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	20.700	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	20.874	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	1.292	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.248	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.555	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.526	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	2.490	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	11.305	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.229	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	5.884	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	2.008	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	3.603	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.367	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	3.685	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.494	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	2.660	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	2.553	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	1.705	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	2.064	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	1.603	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	3.849	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.450		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.579		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.490		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.207		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.050		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	0.0	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	165.2	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	166.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	170.1	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	167.6	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	134251777		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	275146375168		Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)
flags_r	4503874773745664		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	9007199388991489		Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	3		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	0.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	0.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	0.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.047	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.067	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.03	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.14	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.04	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.04	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	-0.15	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.09	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.05	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)
u	21.655	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.804	mag	⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	20.123	mag	⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.843	mag	⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.877	mag	⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.224	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.053	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.048	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.056	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.235	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)
spec_z			⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)
pm_match	0		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)
pm_pmRa	0.00	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.00	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	0.00	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	0.00	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	0.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	0.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	0		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	0.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	0.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11) (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			⁽ⁱ⁾ [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12) (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12) (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12) (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12) (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13) (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	51134.2624	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	51134.2641	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	51134.2608	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	51134.2616	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	51134.2632	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025842.72+001818.1		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	259-301-4-0254-0556		⁽ⁱ⁾ SDSS object identifier (run-rerun-camcol-field-object) (Note 1) (meta.id) (ID_ALTERNATIVE)
Sp-ID			⁽ⁱ⁾ Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	51134.2624	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.040	arcsec	Distance from center (044.678031+00.305041)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 58 42.73008	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 18 18.1476	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 56 08.81566	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 06 21.5166	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.28702065	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.92097941	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

objID	1237657234378916142		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.678042	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.305041	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237657234378915840		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	3		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912448		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	25.164	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	21.698	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	21.254	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	21.155	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	20.583	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.977	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.069	mag	Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.061	mag	Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.075	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.195	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	24.153	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.633	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	20.302	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	20.075	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	21.393	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	5.431	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.119	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.100	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.161	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	2.225	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	7.358	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	4.665	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	3.413	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	2.535	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	2.547	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	1.073	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.622	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.529	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.778	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.000	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	2.863	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	1.766	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	1.928	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	1.364	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.465		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.501		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.600		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.421		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.253		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	127.6	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	175.4	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	168.8	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	0.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	29.4	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199389017345		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	275146375168		Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)
flags_r	4503874773745664		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	134250497		Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	3		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	0.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	0.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	0.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.056	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.085	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.03	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.07	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.03	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.02	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	-0.19	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.00	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.00	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)
u	24.758	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.991	mag	⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	20.384	mag	⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	20.166	mag	⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.935	mag	⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	1.949	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.058	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.051	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.060	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.202	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)
spec_z			⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)
pm_match	0		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)
pm_pmRa	0.00	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.00	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	0.00	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	0.00	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	0.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	0.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	0		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	0.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	0.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11) (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			⁽ⁱ⁾ [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12) (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12) (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12) (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12) (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13) (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52234.2946	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	52234.2962	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	52234.2929	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	52234.2937	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	52234.2954	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025842.73+001818.1		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2738-301-4-0217-0302		⁽ⁱ⁾ SDSS object identifier (run-rerun-camcol-field-object) (Note 1) (meta.id) (ID_ALTERNATIVE)
Sp-ID			⁽ⁱ⁾ Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52234.2946	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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*Column*	*Value*		*Explain (UCD)*
_r	0.041	arcsec	Distance from center (044.678031+00.305041)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 58 42.72816	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 18 18.1872	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 56 08.81373	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 06 21.5561	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.28700017	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.92097742	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

objID	1237666408461959722		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.678034	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.305052	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666408461959168		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	3		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912448		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	22.840	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	21.950	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	21.340	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	20.967	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	20.959	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.365	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.061	mag	Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.057	mag	Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.062	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.235	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	22.594	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	21.313	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	20.523	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.972	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	20.483	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	1.184	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.189	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.130	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.113	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.750	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	18.020	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.715	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	2.422	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	2.976	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	2.068	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.390	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.501	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.902	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	1.073	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	6.373	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	1.150	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	1.530	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	2.050	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	2.646	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.505		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.629		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.504		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.050		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	126.1	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	167.0	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	167.2	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	167.4	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	171.3	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199388992769		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	275146375168		Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)
flags_r	4503874782134272		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	9007199388991489		Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	3		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	0.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	0.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	0.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.046	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.043	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.06	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.17	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.00	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.01	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.04	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)
u	22.143	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.954	mag	⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	20.291	mag	⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.865	mag	⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.859	mag	⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.434	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.055	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.051	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.053	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.218	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)
spec_z			⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)
pm_match	0		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)
pm_pmRa	0.00	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.00	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	0.00	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	0.00	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	0.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	0.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	0		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	0.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	0.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11) (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			⁽ⁱ⁾ [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12) (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12) (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12) (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12) (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13) (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53288.3748	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	53288.3764	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	53288.3731	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	53288.3739	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	53288.3756	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025842.72+001818.1		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4874-301-4-0719-0554		⁽ⁱ⁾ SDSS object identifier (run-rerun-camcol-field-object) (Note 1) (meta.id) (ID_ALTERNATIVE)
Sp-ID			⁽ⁱ⁾ Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53288.3748	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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*Column*	*Value*		*Explain (UCD)*
_r	0.047	arcsec	Distance from center (044.678031+00.305041)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 58 42.73008	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 18 18.1224	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 56 08.81566	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 06 21.4914	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.28702826	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.92098431	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

objID	1237656594427478377		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.678042	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.305034	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237656594427478016		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	3		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912448		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	23.191	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	21.635	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	21.250	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	20.844	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	21.012	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.519	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.067	mag	Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.062	mag	Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.069	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.351	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	21.600	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.771	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	20.341	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.821	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.885	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.643	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.149	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.132	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.151	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.324	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	11.305	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	18.017	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	3.308	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	4.982	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	43.766	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.552	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	2.978	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	-1000.000	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	3.220	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	2.678	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	1.851	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	1.799	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	29.667	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.558		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.293		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.607		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.441		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.796		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	21.9	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	169.6	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	0.0	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	14.1	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	180.0	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199388992769		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	275146376448		Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)
flags_r	4503874773745664		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275154763776		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	9007199388992769		Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	3		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	0.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	0.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	0.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.063	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.085	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.03	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.00	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.07	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.00	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.06	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.06	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)
u	22.405	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.707	mag	⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	20.162	mag	⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.736	mag	⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.652	mag	⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.591	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.057	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.054	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.061	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.258	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)
spec_z			⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)
pm_match	0		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)
pm_pmRa	0.00	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.00	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	0.00	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	0.00	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	0.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	0.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	0		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	0.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	0.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11) (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			⁽ⁱ⁾ [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12) (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12) (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12) (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12) (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13) (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52173.3578	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	52173.3594	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	52173.3561	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	52173.3569	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	52173.3586	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025842.73+001818.1		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2589-301-4-0197-0361		⁽ⁱ⁾ SDSS object identifier (run-rerun-camcol-field-object) (Note 1) (meta.id) (ID_ALTERNATIVE)
Sp-ID			⁽ⁱ⁾ Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52173.3578	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.050	arcsec	Distance from center (044.678031+00.305041)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 58 42.73080	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 18 18.1476	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 56 08.81638	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 06 21.5166	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.28702385	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.92097727	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

objID	1237666661861228909		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.678045	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.305041	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666661861228544		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	3		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	439873639153664		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	22.291	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	21.603	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	21.173	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	20.888	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	21.485	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.339	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.101	mag	Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.070	mag	Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.080	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.440	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	24.686	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.919	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	20.407	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	20.150	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.047	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	6.453	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.204	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.155	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.182	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.358	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	1.311	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.416	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	3.203	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	3.712	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	0.087	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.226	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.326	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.548	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.632	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.040	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	1.588	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	1.295	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	1.942	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	1.883	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	29.667	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.050		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.410		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.323		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.568		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	5.4	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	174.1	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	160.8	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	170.2	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	102.9	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199397380097		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	158604829294592		Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)
flags_r	4503874773745664		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	9007199388991489		Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	3		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	0.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	0.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	0.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.062	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.098	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.13	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.10	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.01	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.16	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.10	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)
u	21.632	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.748	mag	⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	20.216	mag	⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.964	mag	⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	20.168	mag	⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.390	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.072	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.062	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.071	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.324	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)
spec_z			⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)
pm_match	0		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)
pm_pmRa	0.00	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.00	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	0.00	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	0.00	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	0.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	0.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	0		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	0.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	0.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11) (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			⁽ⁱ⁾ [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12) (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12) (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12) (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12) (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13) (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53314.3272	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	53314.3289	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	53314.3255	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	53314.3264	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	53314.3280	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025842.73+001818.1		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4933-301-4-0661-0365		⁽ⁱ⁾ SDSS object identifier (run-rerun-camcol-field-object) (Note 1) (meta.id) (ID_ALTERNATIVE)
Sp-ID			⁽ⁱ⁾ Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53314.3272	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.056	arcsec	Distance from center (044.678031+00.305041)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 58 42.73032	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 18 18.1116	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 56 08.81590	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 06 21.4806	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.28703258	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.92098569	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

objID	1237666515805274416		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.678043	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.305031	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666515805274112		The field this object is in (meta.note) (ID_FIELD)
mode	4		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	3		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988043520		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	23.666	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	21.477	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	21.165	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	20.849	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	20.778	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.819	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.059	mag	Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.065	mag	Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.064	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.247	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	24.398	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.688	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	20.400	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	20.190	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.806	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	5.339	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.114	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.105	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.183	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.229	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	7.360	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	3.787	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	3.572	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	2.822	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	11.307	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.811	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.610	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.439	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	-1000.000	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	6.375	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	2.519	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	1.759	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	1.436	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	24.530	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.413		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.532		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.620		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.157		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	128.0	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	8.1	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	0.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	161.6	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	3.9	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199389017345		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	275146506240		Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)
flags_r	4503874773745664		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	9007199388992769		Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	3		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	0.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	0.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	0.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.071	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.118	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.05	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	-0.05	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.08	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.03	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.05	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.11	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)
u	23.831	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.912	mag	⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	20.451	mag	⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	20.111	mag	⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.976	mag	⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	1.437	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.051	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.059	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.058	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.212	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	2049		[0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)
spec_z			⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)
pm_match	0		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)
pm_pmRa	0.00	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.00	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	0.00	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	0.00	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	0.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	0.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	0		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	0.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	0.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11) (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			⁽ⁱ⁾ [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12) (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12) (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12) (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12) (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13) (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53296.3697	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	53296.3713	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	53296.3680	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	53296.3689	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	53296.3705	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025842.73+001818.1		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4899-301-4-0248-0304		⁽ⁱ⁾ SDSS object identifier (run-rerun-camcol-field-object) (Note 1) (meta.id) (ID_ALTERNATIVE)
Sp-ID			⁽ⁱ⁾ Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53296.3697	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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*Column*	*Value*		*Explain (UCD)*
_r	0.059	arcsec	Distance from center (044.678031+00.305041)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 58 42.73032	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 18 18.1080	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 56 08.81590	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 06 21.4770	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.28703367	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.92098639	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

objID	1237666382678196671		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.678043	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.305030	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666382678196224		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	3		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988043520		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	22.382	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	21.755	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	21.012	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	20.808	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	21.069	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.375	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.069	mag	Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.058	mag	Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.070	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.290	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	20.720	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	21.059	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	20.407	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	20.049	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.885	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.233	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.122	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.100	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.100	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.380	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	4.584	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.852	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	2.942	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	3.475	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	4.256	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.370	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.309	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.512	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	4.134	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	29.676	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	1.960	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	1.683	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	1.747	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	4.120	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.141		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.561		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.533		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.762		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.050		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	163.4	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	180.0	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	172.1	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	171.1	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	5.2	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199388960001		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	275146506240		Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)
flags_r	4503874773712896		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	9007199388991489		Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	3		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	3		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	0.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	0.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	0.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.071	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.088	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.01	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.09	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.04	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.05	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.18	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.20	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)
u	21.518	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	21.040	mag	⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	20.356	mag	⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	20.143	mag	⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	20.087	mag	⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.265	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.063	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.051	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.058	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.222	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)
spec_z			⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)
pm_match	0		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)
pm_pmRa	0.00	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.00	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	0.00	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	0.00	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	0.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	0.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	0		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	0.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)