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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===1427-0231107
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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)
_RAJ200008 31 41.682 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+52 45 17.86 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195008 27 57.979 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+52 55 26.98 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon165.7546 deg Galactic longitude at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat+36.2404 deg Galactic latitude at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lat)

USNO-B1.01427-0231107  (i) Designation of the object (Note 1)   (meta.id;meta.main)
Tycho-2   Designation in the Tycho-2 Catalog I/259 (meta.id)
RAJ2000127.923675 deg (i) Right Ascension at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000+52.754962 deg (i) Declination at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.dec;meta.main)
e_RAJ2000 39 mas Mean error on RAdeg*cos(DEdeg) at Epoch (stat.error;pos.eq.ra)
e_DEJ2000 52 mas Mean error on DEdeg at Epoch (stat.error;pos.eq.dec)
Epoch1979.0 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 6 mas/yr Proper motion in DE (relative to YS4.0) (pos.pm;pos.eq.dec)
muPr9 0.1 Total Proper Motion probability (Note 7)   (stat.probability)
e_pmRA 1 mas/yr Mean error on pmRA (stat.error;pos.pm;pos.eq.ra)
e_pmDE 1 mas/yr Mean error on pmDE (stat.error;pos.pm;pos.eq.dec)
fit_RA0 100mas Mean error on RA fit (stat.error)
fit_DE0 100mas Mean error on DE fit (stat.error)
Ndet5   [0,5] Number of detections (Note 7)   (meta.number)
Flags..Y   [MsY.] Flags on object (Note 3)   (meta.code)
B1mag19.64 mag First blue magnitude (phot.mag;em.opt.B)
B1C1   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 8   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
B1xi -0.03 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
B1eta 0.08 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
R1mag15.73 mag First red magnitude (phot.mag;em.opt.R)
R1C1   source of photometric calibration (Note 4)   (instr.calib)
R1S1   Survey number (see "Surveys" section below) (meta.id)
R1f-99   Field number in survey (obs.field)
R1s/g 2   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 -0.08 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
B2mag17.87 mag 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 8   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
B2xi -0.07 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
B2eta 0.00 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
R2mag15.49 mag 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 3   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
R2xi 0.04 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
R2eta -0.03 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
Imag14.13 mag Infrared (N) magnitude (phot.mag;em.opt.I)
IC2   source of photometric calibration (Note 4)   (instr.calib)
IS7   Survey number (see "Surveys" section below) (meta.id)
If-99   Field number in survey (obs.field)
Is/g    Star-galaxy separation (Note 6)   (src.class.starGalaxy)
Ixi 0.02 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
Ieta 0.01 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
  
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