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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===0936-0610286
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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)
_RAJ200021 49 35.78544 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+03 37 06.0204 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195021 47 04.38471 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+03 22 59.8450 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.75133690 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-36.45692341 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

USNO_B1_00936-0610286  (i) Designation of the object (Note 1)   (meta.id;meta.main)
Tycho-2   Designation in the Tycho-2 Catalog I/259 (meta.id)
RAJ2000327.399106 deg (i) Right Ascension at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000+03.618339 deg (i) Declination at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.dec;meta.main)
e_RAJ2000302 mas Mean error on RAdeg*cos(DEdeg) at Epoch (stat.error;pos.eq.ra)
e_DEJ2000999 mas Mean error on DEdeg at Epoch (stat.error;pos.eq.dec)
Epoch1981.6 yr Mean epoch of observation (Note 2)   (time.epoch;obs)
pmRA -46 mas/yr Proper motion in RA (relative to YS4.0) (pos.pm;pos.eq.ra)
pmDE 96 mas/yr Proper motion in DE (relative to YS4.0) (pos.pm;pos.eq.dec)
muPr6 0.1 Total Proper Motion probability (Note 7)   (stat.probability)
e_pmRA 11 mas/yr Mean error on pmRA (stat.error;pos.pm;pos.eq.ra)
e_pmDE 84 mas/yr Mean error on pmDE (stat.error;pos.pm;pos.eq.dec)
fit_RA3 100mas Mean error on RA fit (stat.error)
fit_DE9 100mas Mean error on DE fit (stat.error)
Ndet3   [0,5] Number of detections (Note 7)   (meta.number)
Flags...   [MsY.] Flags on object (Note 3)   (meta.code)
B1mag19.58 mag (i) First blue magnitude (phot.mag;em.opt.B)
B1C2   source of photometric calibration (Note 4)   (instr.calib)
B1S0   Survey number (see "Surveys" section below) (meta.id)
B1f-99   Field number in survey (obs.field)
B1s/g 1   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
B1xi -0.01 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
B1eta 0.00 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
R1mag  mag (i) First red magnitude (phot.mag;em.opt.R)
R1C    source of photometric calibration (Note 4)   (instr.calib)
R1S    Survey number (see "Surveys" section below) (meta.id)
R1f    Field number in survey (obs.field)
R1s/g    Star-galaxy separation (Note 6)   (src.class.starGalaxy)
R1xi  arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
R1eta  arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
B2mag19.42 mag (i) Second blue magnitude (phot.mag;em.opt.B)
B2C2   source of photometric calibration (Note 4)   (instr.calib)
B2S2   Survey number (see "Surveys" section below) (meta.id)
B2f-99   Field number in survey (obs.field)
B2s/g 2   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
B2xi 0.27 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
B2eta -2.04 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
R2mag17.70 mag (i) Second red magnitude (phot.mag;em.opt.R)
R2C2   source of photometric calibration (Note 4)   (instr.calib)
R2S3   Survey number (see "Surveys" section below) (meta.id)
R2f-99   Field number in survey (obs.field)
R2s/g 1   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
R2xi -0.28 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
R2eta 2.02 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
Imag  mag (i) Infrared (N) magnitude (phot.mag;em.opt.I)
IC    source of photometric calibration (Note 4)   (instr.calib)
IS    Survey number (see "Surveys" section below) (meta.id)
If    Field number in survey (obs.field)
Is/g    Star-galaxy separation (Note 6)   (src.class.starGalaxy)
Ixi  arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
Ieta  arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
  
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