VizieR

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VizieR

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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===1257-0000763
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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)
_RAJ200000 02 53.30880 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+35 45 32.1300 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 00 19.32359 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+35 28 51.3733 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon111.98157296 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-26.07836883 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

USNO_B1_01257-0000763  (i) Designation of the object (Note 1)   (meta.id;meta.main)
Tycho-2   Designation in the Tycho-2 Catalog I/259 (meta.id)
RAJ2000000.722120 deg (i) Right Ascension at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000+35.758925 deg (i) Declination at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.dec;meta.main)
e_RAJ2000183 mas Mean error on RAdeg*cos(DEdeg) at Epoch (stat.error;pos.eq.ra)
e_DEJ2000320 mas Mean error on DEdeg at Epoch (stat.error;pos.eq.dec)
Epoch1968.4 yr Mean epoch of observation (Note 2)   (time.epoch;obs)
pmRA -28 mas/yr Proper motion in RA (relative to YS4.0) (pos.pm;pos.eq.ra)
pmDE -26 mas/yr Proper motion in DE (relative to YS4.0) (pos.pm;pos.eq.dec)
muPr8 0.1 Total Proper Motion probability (Note 7)   (stat.probability)
e_pmRA 4 mas/yr Mean error on pmRA (stat.error;pos.pm;pos.eq.ra)
e_pmDE 8 mas/yr Mean error on pmDE (stat.error;pos.pm;pos.eq.dec)
fit_RA1 100mas Mean error on RA fit (stat.error)
fit_DE2 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)
B1mag19.77 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)
B1f241   Field number in survey (obs.field)
B1s/g 2   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
B1xi 0.11 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
B1eta -0.21 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
R1mag18.82 mag (i) First red magnitude (phot.mag;em.opt.R)
R1C2   source of photometric calibration (Note 4)   (instr.calib)
R1S1   Survey number (see "Surveys" section below) (meta.id)
R1f241   Field number in survey (obs.field)
R1s/g 3   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
R1xi -0.12 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
R1eta 0.20 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
B2mag  mag (i) Second blue magnitude (phot.mag;em.opt.B)
B2C    source of photometric calibration (Note 4)   (instr.calib)
B2S    Survey number (see "Surveys" section below) (meta.id)
B2f    Field number in survey (obs.field)
B2s/g    Star-galaxy separation (Note 6)   (src.class.starGalaxy)
B2xi  arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
B2eta  arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
R2mag  mag (i) Second red magnitude (phot.mag;em.opt.R)
R2C    source of photometric calibration (Note 4)   (instr.calib)
R2S    Survey number (see "Surveys" section below) (meta.id)
R2f    Field number in survey (obs.field)
R2s/g    Star-galaxy separation (Note 6)   (src.class.starGalaxy)
R2xi  arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
R2eta  arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
Imag18.65 mag (i) 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)
If349   Field number in survey (obs.field)
Is/g    Star-galaxy separation (Note 6)   (src.class.starGalaxy)
Ixi 0.00 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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