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)
  -c=285.765431 -00.449814
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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)
_r0.413 arcsec Distance from center (285.765431-00.449814)[FK5/J2000], at Epoch=J2000.0 (pos.angDistance)
_RAJ200019 03 03.70680 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 26 58.9200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195019 00 29.37765 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-00 31 25.8472 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon033.85729635 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-02.79124278 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

USNO-B1.00895-0446426  (i) Designation of the object (Note 1)   (meta.id;meta.main)
Tycho-2   Designation in the Tycho-2 Catalog I/259 (meta.id)
RAJ2000285.765445 deg (i) Right Ascension at Eq=J2000, Ep=J2000 (Note 2)   (pos.eq.ra;meta.main)
DEJ2000-00.449700 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_DEJ2000115 mas Mean error on DEdeg at Epoch (stat.error;pos.eq.dec)
Epoch1973.5 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_RA2 100mas Mean error on RA fit (stat.error)
fit_DE2 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)
B1mag20.37 mag (i) 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)
B1f632   Field number in survey (obs.field)
B1s/g 8   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
B1xi 0.19 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
B1eta 0.05 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
R1mag15.18 mag (i) 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)
R1f632   Field number in survey (obs.field)
R1s/g 0   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
R1xi -0.18 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
R1eta -0.19 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
B2mag16.74 mag (i) Second blue magnitude (phot.mag;em.opt.B)
B2C1   source of photometric calibration (Note 4)   (instr.calib)
B2S2   Survey number (see "Surveys" section below) (meta.id)
B2f880   Field number in survey (obs.field)
B2s/g 9   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
B2xi -0.23 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
B2eta -0.24 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
R2mag12.66 mag (i) Second red magnitude (phot.mag;em.opt.R)
R2C1   source of photometric calibration (Note 4)   (instr.calib)
R2S3   Survey number (see "Surveys" section below) (meta.id)
R2f880   Field number in survey (obs.field)
R2s/g 0   Star-galaxy separation (Note 6)   (src.class.starGalaxy)
R2xi 0.03 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
R2eta 0.02 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
Imag 8.75 mag (i) Infrared (N) magnitude (phot.mag;em.opt.I)
IC0   source of photometric calibration (Note 4)   (instr.calib)
IS8   Survey number (see "Surveys" section below) (meta.id)
If880   Field number in survey (obs.field)
Is/g    Star-galaxy separation (Note 6)   (src.class.starGalaxy)
Ixi 0.15 arcsec Residual in X direction (Note 5)   (stat.fit.residual;pos.eq.ra;arith.diff)
Ieta 0.32 arcsec Residual in Y direction (Note 5)   (stat.fit.residual;pos.eq.dec;arith.diff)
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I/305/out The Guide Star Catalog, Version 2.3.2 (GSC2.3) (STScI, 2006)
The Full GSC2.3.2 Catalogue (945592683 objects) (945592683 rows)
  -c=285.765431 -00.449814
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Note: This version of the GSC-II has no proper motions, but the limits on brightness which existed on GSC2.2 (F<18.5, Bj<19.5) were removed.

ColumnValue  Explain   (UCD)
_r0.230 arcsec Distance from center (285.765431-00.449814)[FK5/J2000], at Epoch of catalog (Epoch) (pos.angDistance)
_RAJ200019 03 03.70320 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-00 26 59.1000 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195019 00 29.36620 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-00 31 25.9640 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon033.85724495 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-02.79125224 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

GSC2.3S9LK021299  (i) [NS0-9A-Z] Identification of the object (Note 1)   (meta.id;meta.main)
GSC1   Identification in GSC Version 1 (Cat. I/254) (meta.note)
HTM6S3002120   [NS0-3] HTM-6 designation as in GSC2.2 (Note 1)   (obs.field)
RAJ2000285.765430 deg (i) Right Ascension (J2000), at "Epoch" (pos.eq.ra;meta.main)
DEJ2000-00.449750 deg (i) Declination in (J2000), at "Epoch" (pos.eq.dec;meta.main)
e_RAJ2000 0.26 arcsec Mean error on RAdeg (Note 2)   (stat.error;pos.eq.ra)
e_DEJ2000 0.25 arcsec Mean error on DEdeg (Note 2)   (stat.error;pos.eq.dec)
Epoch1996.645 yr Epoch of the position (time.epoch)
Fmag13.29 mag (i) Magnitude in F photographic band (red) (phot.mag;em.opt.R)
e_Fmag 0.33 mag Mean error on Fmag (stat.error;phot.mag)
n_Fmag36   Coded emulsion / bandpass / filter (Note 2)   (meta.note)
jmag17.88 mag (i) Magnitude in Bj photographic band (blue) (phot.mag;em.opt.B)
e_jmag 0.33 mag Mean error on jmag (stat.error;phot.mag)
n_jmag18   Coded emulsion / bandpass / filter (Note 2)   (meta.note)
Vmag16.13 mag (i) Magnitude in V photographic band (green) (phot.mag;em.opt.V)
e_Vmag 0.35 mag Mean error on Vmag (stat.error;phot.mag;em.opt.V)
n_Vmag 6   Coded emulsion / bandpass / filter (Note 2)   (meta.note)
Nmag 9.23 mag (i) Magnitude in N photographic band (0.8µm) (phot.mag;em.IR.8-15um)
e_Nmag 0.36 mag Mean error on Nmag (stat.error;phot.mag;em.IR.8-15um)
n_Nmag38   Coded emulsion / bandpass / filter (Note 2)   (meta.note)
Umag  mag Magnitude in U band (Johnson) (phot.mag;em.opt.U)
e_Umag  mag Mean error on Umag (stat.error;phot.mag;em.opt.U)
n_Umag    Coded emulsion / bandpass / filter (Note 2)   (meta.note)
Bmag20.35 mag Magnitude in B band (Johnson blue) (phot.mag;em.opt.B)
e_Bmag 0.35 mag Mean error on Bmag (stat.error;phot.mag;em.opt.B)
n_Bmag 7   Coded emulsion / bandpass / filter (Note 2)   (meta.note)
Class0   [0,5] Object class (Note 3)   (meta.code.class)
Status1001111209  Source status flag (Note 4)   (meta.code.error)
M    [M] 'M' for multiple object (Note 5)   (phot.mag;em.IR.4-8um)
a 5.13 pix Semi-major axis of fitting ellipse (phys.angSize;src)
e 0.03   Eccentricity of fitting ellipse (src.orbital.eccentricity)
aPA 53.3 deg Position angle (N->E) of fitting ellipse (pos.posAng)
  
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