VizieR

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The USNO-B1.0 Catalog (Monet+ 2003)

The Whole-Sky USNO-B1.0 Catalog of 1,045,913,669 sources (1045175762 rows)

-c=302.635272 +65.603523

Note: The USNO-B Catalog presents positions, proper motions, magnitudes un blue, red and infrared, as well as star/galaxy estimators for 1,045,175,762 objects derived from 3,648,832,040 separate observations. The data were taken from scans of 7,435 Schmidt plates taken from various sky surveys during the last 50 years.
USNO-B1.0 catalog was created by Dave Monet and collaborators at http://www.nofs.navy.mil/data/fchpix/
Note that the star/galaxy estimators may be mixed up in dense regions.

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*Column*	*Value*		*Explain (UCD)*
_r	0.339	arcsec	Distance from center (302.635272+65.603523)[FK5/J2000], at Epoch=J2000.0 (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	20 10 32.51880	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+65 36 12.7512	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	20 10 02.42708	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+65 27 13.2595	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	098.96208589	deg	Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon) (POS_GAL_LON)
_Glat	+16.91128863	deg	Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat) (POS_GAL_LAT)

USNO-B1.0	1556-0199408		⁽ⁱ⁾ Designation of the object (Note 1) (meta.id;meta.main) (ID_MAIN)
Tycho-2			Designation in the Tycho-2 Catalog I/259 (meta.id) (ID_ALTERNATIVE)
RAJ2000	302.635495	deg	⁽ⁱ⁾ Right Ascension at Eq=J2000, Ep=J2000 (Note 2) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEJ2000	+65.603542	deg	⁽ⁱ⁾ Declination at Eq=J2000, Ep=J2000 (Note 2) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
e_RAJ2000	306	mas	Mean error on RAdeg*cos(DEdeg) at Epoch (stat.error;pos.eq.ra) (ERROR)
e_DEJ2000	165	mas	Mean error on DEdeg at Epoch (stat.error;pos.eq.dec) (ERROR)
Epoch	1991.8	yr	Mean epoch of observation (Note 2) (time.epoch;obs) (TIME_EPOCH)
pmRA	0	mas/yr	Proper motion in RA (relative to YS4.0) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pmDE	0	mas/yr	Proper motion in DE (relative to YS4.0) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
muPr	0	0.1	Total Proper Motion probability (Note 7) (stat.probability) (STAT_PROBABILITY)
e_pmRA	0	mas/yr	Mean error on pmRA (stat.error;pos.pm;pos.eq.ra) (ERROR)
e_pmDE	0	mas/yr	Mean error on pmDE (stat.error;pos.pm;pos.eq.dec) (ERROR)
fit_RA	5	100mas	Mean error on RA fit (stat.error) (FIT_ERROR)
fit_DE	2	100mas	Mean error on DE fit (stat.error) (FIT_ERROR)
Ndet	3		[0,5] Number of detections (Note 7) (meta.number) (NUMBER)
Flags	...		[MsY.] Flags on object (Note 3) (meta.code) (CODE_MISC)
B1mag		mag	⁽ⁱ⁾ First blue magnitude (phot.mag;em.opt.B) (PHOT_PHG_B)
B1C			source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
B1S			Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
B1f			Field number in survey (obs.field) (ID_FIELD)
B1s/g			Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
B1xi		arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
B1eta		arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
R1mag		mag	⁽ⁱ⁾ First red magnitude (phot.mag;em.opt.R) (PHOT_PHG_R)
R1C			source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
R1S			Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
R1f			Field number in survey (obs.field) (ID_FIELD)
R1s/g			Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
R1xi		arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
R1eta		arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
B2mag	21.11	mag	⁽ⁱ⁾ Second blue magnitude (phot.mag;em.opt.B) (PHOT_PHG_B)
B2C	2		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
B2S	2		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
B2f	105		Field number in survey (obs.field) (ID_FIELD)
B2s/g	1		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
B2xi	-0.42	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
B2eta	-0.14	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
R2mag	19.03	mag	⁽ⁱ⁾ Second red magnitude (phot.mag;em.opt.R) (PHOT_PHG_R)
R2C	2		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
R2S	3		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
R2f	106		Field number in survey (obs.field) (ID_FIELD)
R2s/g	3		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
R2xi	0.11	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
R2eta	0.23	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
Imag	18.07	mag	⁽ⁱ⁾ Infrared (N) magnitude (phot.mag;em.opt.I) (PHOT_PHG_I)
IC	2		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
IS	7		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
If	106		Field number in survey (obs.field) (ID_FIELD)
Is/g			Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
Ixi	0.30	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
Ieta	-0.10	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)

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*Column*	*Value*		*Explain (UCD)*
_r	1.656	arcsec	Distance from center (302.635272+65.603523)[FK5/J2000], at Epoch=J2000.0 (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	20 10 32.68080	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+65 36 13.6620	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	20 10 02.58959	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+65 27 14.1603	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	098.96245826	deg	Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon) (POS_GAL_LON)
_Glat	+16.91116690	deg	Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat) (POS_GAL_LAT)

USNO-B1.0	1556-0199409		⁽ⁱ⁾ Designation of the object (Note 1) (meta.id;meta.main) (ID_MAIN)
Tycho-2			Designation in the Tycho-2 Catalog I/259 (meta.id) (ID_ALTERNATIVE)
RAJ2000	302.636170	deg	⁽ⁱ⁾ Right Ascension at Eq=J2000, Ep=J2000 (Note 2) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEJ2000	+65.603795	deg	⁽ⁱ⁾ Declination at Eq=J2000, Ep=J2000 (Note 2) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
e_RAJ2000	999	mas	Mean error on RAdeg*cos(DEdeg) at Epoch (stat.error;pos.eq.ra) (ERROR)
e_DEJ2000	999	mas	Mean error on DEdeg at Epoch (stat.error;pos.eq.dec) (ERROR)
Epoch	1993.5	yr	Mean epoch of observation (Note 2) (time.epoch;obs) (TIME_EPOCH)
pmRA	0	mas/yr	Proper motion in RA (relative to YS4.0) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pmDE	0	mas/yr	Proper motion in DE (relative to YS4.0) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
muPr	0	0.1	Total Proper Motion probability (Note 7) (stat.probability) (STAT_PROBABILITY)
e_pmRA	0	mas/yr	Mean error on pmRA (stat.error;pos.pm;pos.eq.ra) (ERROR)
e_pmDE	0	mas/yr	Mean error on pmDE (stat.error;pos.pm;pos.eq.dec) (ERROR)
fit_RA	9	100mas	Mean error on RA fit (stat.error) (FIT_ERROR)
fit_DE	9	100mas	Mean error on DE fit (stat.error) (FIT_ERROR)
Ndet	2		[0,5] Number of detections (Note 7) (meta.number) (NUMBER)
Flags	...		[MsY.] Flags on object (Note 3) (meta.code) (CODE_MISC)
B1mag		mag	⁽ⁱ⁾ First blue magnitude (phot.mag;em.opt.B) (PHOT_PHG_B)
B1C			source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
B1S			Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
B1f			Field number in survey (obs.field) (ID_FIELD)
B1s/g			Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
B1xi		arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
B1eta		arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
R1mag		mag	⁽ⁱ⁾ First red magnitude (phot.mag;em.opt.R) (PHOT_PHG_R)
R1C			source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
R1S			Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
R1f			Field number in survey (obs.field) (ID_FIELD)
R1s/g			Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
R1xi		arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
R1eta		arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
B2mag	19.95	mag	⁽ⁱ⁾ Second blue magnitude (phot.mag;em.opt.B) (PHOT_PHG_B)
B2C	2		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
B2S	2		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
B2f	106		Field number in survey (obs.field) (ID_FIELD)
B2s/g	2		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
B2xi	-1.17	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
B2eta	1.26	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
R2mag		mag	⁽ⁱ⁾ Second red magnitude (phot.mag;em.opt.R) (PHOT_PHG_R)
R2C			source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
R2S			Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
R2f			Field number in survey (obs.field) (ID_FIELD)
R2s/g			Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
R2xi		arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
R2eta		arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
Imag	18.59	mag	⁽ⁱ⁾ Infrared (N) magnitude (phot.mag;em.opt.I) (PHOT_PHG_I)
IC	2		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
IS	7		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
If	105		Field number in survey (obs.field) (ID_FIELD)
Is/g			Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
Ixi	1.16	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
Ieta	-1.27	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)

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The Guide Star Catalog, Version 2.3.2 (GSC2.3) (STScI, 2006)

ReadMe+ftp

The Full GSC2.3.2 Catalogue (945592683 objects) (945592683 rows)

-c=302.635272 +65.603523

Post annotation about this record

Note: This version of the GSC-II has no proper motions, but the limits on brightness which existed on GSC2.2 (F<18.5, B_j<19.5) were removed.

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*Column*	*Value*		*Explain (UCD)*
_r	0.086	arcsec	Distance from center (302.635272+65.603523)[FK5/J2000], at Epoch of catalog (Epoch) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	20 10 32.47728	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) (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.eq.ra) (POS_EQ_RA)
_DEJ2000	+65 36 12.6396	"d:m:s"	Declination (FK5, Equinox=J2000.0) (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.eq.dec) (POS_EQ_DEC)
_RAB1950	20 10 02.35141	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) (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.eq.ra) (POS_EQ_RA)
_DEB1950	+65 27 13.2721	"d:m:s"	Declination (FK4, Equinox=B1950.0) (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.eq.dec) (POS_EQ_DEC)
_Glon	098.96202142	deg	Galactic longitude (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	+16.91133620	deg	Galactic latitude (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)

GSC2.3	N1JX011458		⁽ⁱ⁾ [NS0-9A-Z] Identification of the object (Note 1) (meta.id;meta.main) (ID_MAIN)
GSC1			Identification in GSC Version 1 (Cat. I/254) (meta.note) (ID_ALTERNATIVE)
HTM6	N0133131		[NS0-3] HTM-6 designation as in GSC2.2 (Note 1) (obs.field) (ID_REGION)
RAJ2000	302.635322	deg	⁽ⁱ⁾ Right Ascension (J2000), at "Epoch" (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEJ2000	+65.603511	deg	⁽ⁱ⁾ Declination in (J2000), at "Epoch" (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
e_RAJ2000	0.30	arcsec	Mean error on RAdeg (Note 2) (stat.error;pos.eq.ra) (ERROR)
e_DEJ2000	0.28	arcsec	Mean error on DEdeg (Note 2) (stat.error;pos.eq.dec) (ERROR)
Epoch	1991.666	yr	Epoch of the position (time.epoch) (TIME_EPOCH)
Fmag	20.25	mag	⁽ⁱ⁾ Magnitude in F photographic band (red) (phot.mag;em.opt.R) (PHOT_PHG_R)
e_Fmag	0.44	mag	Mean error on Fmag (stat.error;phot.mag) (ERROR)
n_Fmag	35		Coded emulsion / bandpass / filter (Note 2) (meta.note) (NOTE)
jmag	22.24	mag	⁽ⁱ⁾ Magnitude in Bj photographic band (blue) (phot.mag;em.opt.B) (PHOT_PHG_BJ)
e_jmag	0.66	mag	Mean error on jmag (stat.error;phot.mag) (ERROR)
n_jmag	18		Coded emulsion / bandpass / filter (Note 2) (meta.note) (NOTE)
Vmag		mag	⁽ⁱ⁾ Magnitude in V photographic band (green) (phot.mag;em.opt.V) (PHOT_PHG_V)
e_Vmag		mag	Mean error on Vmag (stat.error;phot.mag;em.opt.V) (ERROR)
n_Vmag			Coded emulsion / bandpass / filter (Note 2) (meta.note) (NOTE)
Nmag	18.59	mag	⁽ⁱ⁾ Magnitude in N photographic band (0.8µm) (phot.mag;em.IR.8-15um) (PHOT_IR_N:10.4)
e_Nmag	0.32	mag	Mean error on Nmag (stat.error;phot.mag;em.IR.8-15um) (ERROR)
n_Nmag	37		Coded emulsion / bandpass / filter (Note 2) (meta.note) (NOTE)
Umag		mag	Magnitude in U band (Johnson) (phot.mag;em.opt.U) (PHOT_JHN_U)
e_Umag		mag	Mean error on Umag (stat.error;phot.mag;em.opt.U) (ERROR)
n_Umag			Coded emulsion / bandpass / filter (Note 2) (meta.note) (NOTE)
Bmag		mag	Magnitude in B band (Johnson blue) (phot.mag;em.opt.B) (PHOT_JHN_B)
e_Bmag		mag	Mean error on Bmag (stat.error;phot.mag;em.opt.B) (ERROR)
n_Bmag			Coded emulsion / bandpass / filter (Note 2) (meta.note) (NOTE)
Class	3		[0,5] Object class (Note 3) (meta.code.class) (CLASS_OBJECT)
Status	22006		Source status flag (Note 4) (meta.code.error) (CODE_MISC)
M			[M] 'M' for multiple object (Note 5) (phot.mag;em.IR.4-8um) (PHOT_JHN_M)
a	1.73	pix	Semi-major axis of fitting ellipse (phys.angSize;src) (EXTENSION_RAD)
e	0.40		Eccentricity of fitting ellipse (src.orbital.eccentricity) (PHYS_ECCENTRICITY)
aPA	137.0	deg	Position angle (N->E) of fitting ellipse (pos.posAng) (POS_POS-ANG)

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