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I/284
  The USNO-B1.0 Catalog (Monet+ 2003)
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2003AJ....125..984M
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1.I/284/outThe Whole-Sky USNO-B1.0 Catalog of 1,045,913,669 sources (1045175762 rows)
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.

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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ShowSortColumn  Constraint Explain   (UCD)
  USNO-B1.0 (char) (n)(i) Designation of the object (Note 1)   (meta.id;meta.main)
  Tycho-2 (char) Designation in the Tycho-2 Catalog I/259 (meta.id)
  RAJ2000 deg (i) Right Ascension at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.dec;meta.main)
  e_RAJ2000 mas Mean error on RAdeg*cos(DEdeg) at Epoch (stat.error;pos.eq.ra)
  e_DEJ2000 mas Mean error on DEdeg at Epoch (stat.error;pos.eq.dec)
  Epoch yr Mean epoch of observation (Note 2)   (time.epoch;obs)
  pmRA mas/yr Proper motion in RA (relative to YS4.0) (pos.pm;pos.eq.ra)
  pmDE mas/yr Proper motion in DE (relative to YS4.0) (pos.pm;pos.eq.dec)
  muPr 0.1 (n) Total Proper Motion probability (Note 7)   (stat.probability)
  e_pmRA mas/yr Mean error on pmRA (stat.error;pos.pm;pos.eq.ra)

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(n) indicates a possible blank or NULL column(i)indexed column
  e_pmDE mas/yr Mean error on pmDE (stat.error;pos.pm;pos.eq.dec)
  fit_RA 100mas Mean error on RA fit (stat.error)
  fit_DE 100mas Mean error on DE fit (stat.error)
  Ndet   [0,5] Number of detections (Note 7)   (meta.number)
  Flags (char) [MsY.] Flags on object (Note 3)   (meta.code)
  B1mag mag (n)(i) First blue magnitude (phot.mag;em.opt.B)
  B1C  (n) source of photometric calibration (Note 4)   (instr.calib)
  B1S  (n) Survey number (see "Surveys" section below) (meta.id)
  B1f  (n) Field number in survey (obs.field)
  B1s/g  (n) Star-galaxy separation (Note 6)   (src.class.starGalaxy)
  B1xi arcsec (n) Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
  B1eta arcsec (n) Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
  R1mag mag (n)(i) First red magnitude (phot.mag;em.opt.R)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  R1C  (n) source of photometric calibration (Note 4)   (instr.calib)
  R1S  (n) Survey number (see "Surveys" section below) (meta.id)
  R1f  (n) Field number in survey (obs.field)
  R1s/g  (n) Star-galaxy separation (Note 6)   (src.class.starGalaxy)
  R1xi arcsec (n) Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
  R1eta arcsec (n) Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
  B2mag mag (n)(i) Second blue magnitude (phot.mag;em.opt.B)
  B2C  (n) source of photometric calibration (Note 4)   (instr.calib)
  B2S  (n) Survey number (see "Surveys" section below) (meta.id)
  B2f  (n) Field number in survey (obs.field)
  B2s/g  (n) Star-galaxy separation (Note 6)   (src.class.starGalaxy)
  B2xi arcsec (n) Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
  B2eta arcsec (n) Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  R2mag mag (n)(i) Second red magnitude (phot.mag;em.opt.R)
  R2C  (n) source of photometric calibration (Note 4)   (instr.calib)
  R2S  (n) Survey number (see "Surveys" section below) (meta.id)
  R2f  (n) Field number in survey (obs.field)
  R2s/g  (n) Star-galaxy separation (Note 6)   (src.class.starGalaxy)
  R2xi arcsec (n) Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
  R2eta arcsec (n) Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
  Imag mag (n)(i) Infrared (N) magnitude (phot.mag;em.opt.I)
  IC  (n) source of photometric calibration (Note 4)   (instr.calib)
  IS  (n) Survey number (see "Surveys" section below) (meta.id)
  If  (n) Field number in survey (obs.field)
  Is/g  (n) Star-galaxy separation (Note 6)   (src.class.starGalaxy)
  Ixi arcsec (n) Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
  Ieta arcsec (n) Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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