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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)

USNO-B1=0758-0771926

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)*
_RAJ2000	02 58 02.85816	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+01 08 25.0404	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 55 28.26537	"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 56 26.3676	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	175.21243818	deg	Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon) (POS_GAL_LON)
_Glat	-48.44984956	deg	Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat) (POS_GAL_LAT)

USNO-B1.0	0911-0030585		⁽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	044.511909	deg	⁽ⁱ⁾ Right Ascension at Eq=J2000, Ep=J2000 (Note 2) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEJ2000	+01.140289	deg	⁽ⁱ⁾ Declination at Eq=J2000, Ep=J2000 (Note 2) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
e_RAJ2000	404	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	1972.8	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	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	20.98	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	-99		Field number in survey (obs.field) (ID_FIELD)
B1s/g	8		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
B1xi	0.40	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
B1eta	2.26	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		mag	⁽ⁱ⁾ Second blue magnitude (phot.mag;em.opt.B) (PHOT_PHG_B)
B2C			source of photometric calibration (Note 4) (instr.calib) (INST_CALIB_PARAM)
B2S			Survey number (see "Surveys" section below) (meta.id) (ID_SURVEY)
B2f			Field number in survey (obs.field) (ID_FIELD)
B2s/g			Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
B2xi		arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
B2eta		arcsec	Residual in Y direction (Note 5) (stat.fit.residual;pos.eq.dec;arith.diff) (POS_EQ_DEC_OFF)
R2mag	20.59	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	-99		Field number in survey (obs.field) (ID_FIELD)
R2s/g	2		Star-galaxy separation (Note 6) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
R2xi	-0.41	arcsec	Residual in X direction (Note 5) (stat.fit.residual;pos.eq.ra;arith.diff) (POS_EQ_RA_OFF)
R2eta	-2.27	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)