VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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V/154
  Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020)
Post annotation
img(gal)
1.V/154/sdss16Data Release 16 (469,050,976 primary sources plus 325,277,739 secondary sources) (original column names in green) (Note) (1231051050 rows)
 

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
Standard Original
ShowSortColumn  Constraint Explain   (UCD)
  objID  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
  RA_ICRS deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
  DE_ICRS deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
  fieldID  The field this object is in (meta.note)
  mode   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (qualified to =1 by default) (meta.code.class)
  class  (n) [0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class)
  clean   [0/1] Clean photometry flag (1=clean; 0=unclean) (qualified to =1 by default) (meta.code)
  flags  Photo Object Attribute flags (Note 3)   (meta.code.error)
  upmag mag (n)(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
  gpmag mag (n) [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
  rpmag mag (n) [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  ipmag mag (n) [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
  zpmag mag (n) [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
  e_upmag mag (n) [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
  e_gpmag mag (n) Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
  e_rpmag mag (n) Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
  e_ipmag mag (n) Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
  e_zpmag mag (n) Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
  uPmag mag (n) [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
  gPmag mag (n) [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
  rPmag mag (n) [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
  iPmag mag (n) [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
  zPmag mag (n) [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
  e_uPmag mag (n) [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  e_gPmag mag (n) [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
  e_rPmag mag (n) Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
  e_iPmag mag (n) Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
  e_zPmag mag (n) Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
  uPrad arcsec (n) [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
  gPrad arcsec (n) [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
  rPrad arcsec (n) [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
  iPrad arcsec (n) [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
  zPrad arcsec (n) [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
  e_uPrad arcsec (n) [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
  e_gPrad arcsec (n) [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
  e_rPrad arcsec (n) [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
  e_iPrad arcsec (n) [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  e_zPrad arcsec (n) [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
  udVrad arcsec (n) [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
  gdVrad arcsec (n) [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
  rdVrad arcsec (n) [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
  idVrad arcsec (n) [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
  zdVrad arcsec (n) [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
  udVell  (n) [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
  gdVell  (n) [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
  rdVell  (n) [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
  idVell  (n) [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
  zdVell  (n) [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
  uPA deg (n) [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
  gPA deg (n) [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  rPA deg (n) [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
  iPA deg (n) [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
  zPA deg (n) [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
  uFlags  Detection flags u band (flags_u) (Note 3)   (meta.code)
  gFlags  Detection flags g band (flags_g) (Note 3)   (meta.code)
  rFlags  Detection flags r band (flags_r) (Note 3)   (meta.code)
  iFlags  Detection flags i band (flags_i) (Note 3)   (meta.code)
  zFlags  Detection flags z band (flags_z) (Note 3)   (meta.code)
  uc  (n) [0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy)
  gc  (n) [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
  rc  (n) [0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy)
  ic  (n) [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy)
  zc  (n) [0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  us  (n) [0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy)
  gs  (n) [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
  rs  (n) [0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy)
  is  (n) [0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy)
  zs  (n) [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy)
  e_RA_ICRS arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
  e_DE_ICRS arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
  uoRA arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
  goRA arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
  roRA arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
  ioRA arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
  zoRA arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
  uoDE arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  goDE arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
  roDE arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
  ioDE arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
  zoDE arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
  parentID  Pointer to parent (if object deblended) (meta.id.parent)
  SpObjID (char) (i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
  umag mag (n)(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
  gmag mag (n)(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
  rmag mag (n)(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
  imag mag (n)(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
  zmag mag (n)(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
  e_umag mag (n) [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
  e_gmag mag (n) [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  e_rmag mag (n) [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
  e_imag mag (n) [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
  e_zmag mag (n) [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
  Status   [0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code)
  spInst (char) Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr)
  spType (char) Source type (spec_sourceType) (6) (Note 8)   (src.class)
  zsp  (n)(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift)
  e_zsp  (n) [-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error)
  f_zsp  (n) [0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code)
  spCl (char) Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect)
  subCl (char) Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class)
  Vdisp km/s (n) [0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion)
  e_Vdisp km/s (n) [-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  spS/N  (n) [-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median)
  M  (n) [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
  pmRA mas/yr (n) [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
  pmDE mas/yr (n) [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
  e_pmRA mas/yr (n) [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
  e_pmDE mas/yr (n) [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
  sigRA mas (n) [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
  sigDE mas (n) [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
  N  (n) [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
  g(O)  (n) [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
  r(E)  (n) Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
  g(J)  (n) Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
  r(F)  (n) Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  i(N)  (n) Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I)
  zph  (n)(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift)
  e_zph  (n) [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error)
  <zph>  (n) [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)
  chi2  (n) [2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value)
  Q   [1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs)
  uMJD d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
  gMJD d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
  rMJD d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
  iMJD d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
  zMJD d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
  SDSS16 (char) (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
  SDSS-ID (char) (i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id)
  Sp-ID (char) (i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id)
  MJD d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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