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=303.442772 +23.810066

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	0.314	arcsec	Distance from center (303.442772+23.810066)[FK5/J2000], at Epoch=J2000.0 (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	20 13 46.27152	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+23 48 36.5400	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	20 11 37.08626	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+23 39 28.4499	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	063.50402516	deg	Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon) (POS_GAL_LON)
_Glat	-05.86457040	deg	Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat) (POS_GAL_LAT)

USNO-B1.0	1138-0461900		⁽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	303.442798	deg	⁽ⁱ⁾ Right Ascension at Eq=J2000, Ep=J2000 (Note 2) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEJ2000	+23.810150	deg	⁽ⁱ⁾ Declination at Eq=J2000, Ep=J2000 (Note 2) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
e_RAJ2000	77	mas	Mean error on RAdeg*cos(DEdeg) at Epoch (stat.error;pos.eq.ra) (ERROR)
e_DEJ2000	62	mas	Mean error on DEdeg at Epoch (stat.error;pos.eq.dec) (ERROR)
Epoch	1976.3	yr	Mean epoch of observation (Note 2) (time.epoch;obs) (TIME_EPOCH)
pmRA	-2	mas/yr	Proper motion in RA (relative to YS4.0) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pmDE	-6	mas/yr	Proper motion in DE (relative to YS4.0) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
muPr	8	0.1	Total Proper Motion probability (Note 7) (stat.probability) (STAT_PROBABILITY)
e_pmRA	2	mas/yr	Mean error on pmRA (stat.error;pos.pm;pos.eq.ra) (ERROR)
e_pmDE	1	mas/yr	Mean error on pmDE (stat.error;pos.pm;pos.eq.dec) (ERROR)
fit_RA	1	100mas	Mean error on RA fit (stat.error) (FIT_ERROR)
fit_DE	0	100mas	Mean error on DE fit (stat.error) (FIT_ERROR)
Ndet	5		[0,5] Number of detections (Note 7) (meta.number) (NUMBER)
Flags	..Y		[MsY.] Flags on object (Note 3) (meta.code) (CODE_MISC)
B1mag	19.68	mag	⁽ⁱ⁾ First blue magnitude (phot.mag;em.opt.B) (PHOT_PHG_B)
B1C	1		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
B1S	0		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
B1f	395		Field number in survey (obs.field) (ID_FIELD)
B1s/g	8		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
B1xi	0.01	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
B1eta	-0.01	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
R1mag	18.15	mag	⁽ⁱ⁾ First red magnitude (phot.mag;em.opt.R) (PHOT_PHG_R)
R1C	1		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
R1S	1		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
R1f	395		Field number in survey (obs.field) (ID_FIELD)
R1s/g	0		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
R1xi	-0.03	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
R1eta	0.01	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
B2mag	19.18	mag	⁽ⁱ⁾ Second blue magnitude (phot.mag;em.opt.B) (PHOT_PHG_B)
B2C	1		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
B2S	2		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
B2f	527		Field number in survey (obs.field) (ID_FIELD)
B2s/g	9		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
B2xi	0.12	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
B2eta	-0.03	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
R2mag	17.74	mag	⁽ⁱ⁾ Second red magnitude (phot.mag;em.opt.R) (PHOT_PHG_R)
R2C	1		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
R2S	3		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
R2f	527		Field number in survey (obs.field) (ID_FIELD)
R2s/g	3		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
R2xi	-0.02	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
R2eta	-0.08	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
Imag	17.15	mag	⁽ⁱ⁾ Infrared (N) magnitude (phot.mag;em.opt.I) (PHOT_PHG_I)
IC	1		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
IS	7		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
If	527		Field number in survey (obs.field) (ID_FIELD)
Is/g			Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
Ixi	-0.10	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
Ieta	0.09	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	2.758	arcsec	Distance from center (303.442772+23.810066)[FK5/J2000], at Epoch=J2000.0 (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	20 13 46.39752	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+23 48 34.1604	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	20 11 37.16771	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+23 39 26.1653	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	063.50373242	deg	Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon) (POS_GAL_LON)
_Glat	-05.86533383	deg	Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat) (POS_GAL_LAT)

USNO-B1.0	1138-0461904		⁽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	303.443323	deg	⁽ⁱ⁾ Right Ascension at Eq=J2000, Ep=J2000 (Note 2) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEJ2000	+23.809489	deg	⁽ⁱ⁾ Declination at Eq=J2000, Ep=J2000 (Note 2) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
e_RAJ2000	8	mas	Mean error on RAdeg*cos(DEdeg) at Epoch (stat.error;pos.eq.ra) (ERROR)
e_DEJ2000	53	mas	Mean error on DEdeg at Epoch (stat.error;pos.eq.dec) (ERROR)
Epoch	1978.2	yr	Mean epoch of observation (Note 2) (time.epoch;obs) (TIME_EPOCH)
pmRA	10	mas/yr	Proper motion in RA (relative to YS4.0) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pmDE	-8	mas/yr	Proper motion in DE (relative to YS4.0) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
muPr	9	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	1	mas/yr	Mean error on pmDE (stat.error;pos.pm;pos.eq.dec) (ERROR)
fit_RA	0	100mas	Mean error on RA fit (stat.error) (FIT_ERROR)
fit_DE	0	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	20.06	mag	⁽ⁱ⁾ First blue magnitude (phot.mag;em.opt.B) (PHOT_PHG_B)
B1C	1		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
B1S	0		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
B1f	395		Field number in survey (obs.field) (ID_FIELD)
B1s/g	5		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
B1xi	-0.01	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
B1eta	-0.01	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	19.80	mag	⁽ⁱ⁾ Second blue magnitude (phot.mag;em.opt.B) (PHOT_PHG_B)
B2C	1		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
B2S	2		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
B2f	527		Field number in survey (obs.field) (ID_FIELD)
B2s/g	4		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
B2xi	0.00	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
B2eta	0.04	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
R2mag	18.86	mag	⁽ⁱ⁾ Second red magnitude (phot.mag;em.opt.R) (PHOT_PHG_R)
R2C	1		source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
R2S	3		Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
R2f	527		Field number in survey (obs.field) (ID_FIELD)
R2s/g	1		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
R2xi	-0.01	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
R2eta	-0.05	arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
Imag		mag	⁽ⁱ⁾ Infrared (N) magnitude (phot.mag;em.opt.I) (PHOT_PHG_I)
IC			source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
IS			Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
If			Field number in survey (obs.field) (ID_FIELD)
Is/g			Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
Ixi		arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
Ieta		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=303.442772 +23.810066

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	0.162	arcsec	Distance from center (303.442772+23.810066)[FK5/J2000], at Epoch of catalog (Epoch) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	20 13 46.27608	"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	+23 48 36.3024	"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 11 37.07019	"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	+23 39 28.0357	"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	063.50397913	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	-05.86462102	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	N2OB077958		⁽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	N0312023		[NS0-3] HTM-6 designation as in GSC2.2 (Note 1) (obs.field) (ID_REGION)
RAJ2000	303.442817	deg	⁽ⁱ⁾ Right Ascension (J2000), at "Epoch" (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEJ2000	+23.810084	deg	⁽ⁱ⁾ Declination in (J2000), at "Epoch" (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
e_RAJ2000	0.31	arcsec	Mean error on RAdeg (Note 2) (stat.error;pos.eq.ra) (ERROR)
e_DEJ2000	0.32	arcsec	Mean error on DEdeg (Note 2) (stat.error;pos.eq.dec) (ERROR)
Epoch	1992.719	yr	Epoch of the position (time.epoch) (TIME_EPOCH)
Fmag	17.91	mag	⁽ⁱ⁾ Magnitude in F photographic band (red) (phot.mag;em.opt.R) (PHOT_PHG_R)
e_Fmag	0.45	mag	Mean error on Fmag (stat.error;phot.mag) (ERROR)
n_Fmag	35		Coded emulsion / bandpass / filter (Note 2) (meta.note) (NOTE)
jmag	19.32	mag	⁽ⁱ⁾ Magnitude in Bj photographic band (blue) (phot.mag;em.opt.B) (PHOT_PHG_BJ)
e_jmag	0.45	mag	Mean error on jmag (stat.error;phot.mag) (ERROR)
n_jmag	18		Coded emulsion / bandpass / filter (Note 2) (meta.note) (NOTE)
Vmag	18.40	mag	⁽ⁱ⁾ Magnitude in V photographic band (green) (phot.mag;em.opt.V) (PHOT_PHG_V)
e_Vmag	0.42	mag	Mean error on Vmag (stat.error;phot.mag;em.opt.V) (ERROR)
n_Vmag	1		Coded emulsion / bandpass / filter (Note 2) (meta.note) (NOTE)
Nmag	17.12	mag	⁽ⁱ⁾ Magnitude in N photographic band (0.8µm) (phot.mag;em.IR.8-15um) (PHOT_IR_N:10.4)
e_Nmag	0.47	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	1111205		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	3.44	pix	Semi-major axis of fitting ellipse (phys.angSize;src) (EXTENSION_RAD)
e	0.43		Eccentricity of fitting ellipse (src.orbital.eccentricity) (PHYS_ECCENTRICITY)
aPA	53.2	deg	Position angle (N->E) of fitting ellipse (pos.posAng) (POS_POS-ANG)

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