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I/284/out The USNO-B1.0 Catalog (Monet+ 2003)
The Whole-Sky USNO-B1.0 Catalog of 1,045,913,669 sources (1045175762 rows)
  USNO-B1.0===0202-0050759
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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.

ColumnValue  Explain   (UCD)
_RAJ200004 52 49.54080 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-69 45 17.6508 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195004 53 09.69116 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-69 50 06.6888 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon281.26489321 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-35.46320783 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

USNO-B1.00202-0050759  (i) Designation of the object (Note 1)   (meta.id;meta.main)
Tycho-2   Designation in the Tycho-2 Catalog I/259 (meta.id)
RAJ2000073.206420 deg (i) Right Ascension at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000-69.754903 deg (i) Declination at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.dec;meta.main)
e_RAJ2000 98 mas Mean error on RAdeg*cos(DEdeg) at Epoch (stat.error;pos.eq.ra)
e_DEJ2000176 mas Mean error on DEdeg at Epoch (stat.error;pos.eq.dec)
Epoch1983.1 yr Mean epoch of observation (Note 2)   (time.epoch;obs)
pmRA 0 mas/yr Proper motion in RA (relative to YS4.0) (pos.pm;pos.eq.ra)
pmDE 0 mas/yr Proper motion in DE (relative to YS4.0) (pos.pm;pos.eq.dec)
muPr0 0.1 Total Proper Motion probability (Note 7)   (stat.probability)
e_pmRA 0 mas/yr Mean error on pmRA (stat.error;pos.pm;pos.eq.ra)
e_pmDE 0 mas/yr Mean error on pmDE (stat.error;pos.pm;pos.eq.dec)
fit_RA1 100mas Mean error on RA fit (stat.error)
fit_DE3 100mas Mean error on DE fit (stat.error)
Ndet4   [0,5] Number of detections (Note 7)   (meta.number)
Flags..Y   [MsY.] Flags on object (Note 3)   (meta.code)
B1mag  mag (i) First blue magnitude (phot.mag;em.opt.B)
B1C    source of photometric calibration (Note 4)   (instr.calib)
B1S    Survey number (see "Surveys" section below) (meta.id)
B1f    Field number in survey (obs.field)
B1s/g    Star-galaxy separation (Note 6)   (src.class.starGalaxy)
B1xi  arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
B1eta  arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
R1mag15.05 mag (i) First red magnitude (phot.mag;em.opt.R)
R1C2   source of photometric calibration (Note 4)   (instr.calib)
R1S5   Survey number (see "Surveys" section below) (meta.id)
R1f-56   Field number in survey (obs.field)
R1s/g 9   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
R1xi -0.01 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
R1eta 0.03 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
B2mag15.81 mag (i) Second blue magnitude (phot.mag;em.opt.B)
B2C2   source of photometric calibration (Note 4)   (instr.calib)
B2S4   Survey number (see "Surveys" section below) (meta.id)
B2f-56   Field number in survey (obs.field)
B2s/g15   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
B2xi 0.20 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
B2eta -0.42 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
R2mag15.39 mag (i) Second red magnitude (phot.mag;em.opt.R)
R2C2   source of photometric calibration (Note 4)   (instr.calib)
R2S6   Survey number (see "Surveys" section below) (meta.id)
R2f-56   Field number in survey (obs.field)
R2s/g 0   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
R2xi -0.19 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
R2eta 0.18 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
Imag14.73 mag (i) Infrared (N) magnitude (phot.mag;em.opt.I)
IC2   source of photometric calibration (Note 4)   (instr.calib)
IS8   Survey number (see "Surveys" section below) (meta.id)
If-56   Field number in survey (obs.field)
Is/g    Star-galaxy separation (Note 6)   (src.class.starGalaxy)
Ixi 0.03 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
Ieta 0.20 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
  
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