VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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I/271/out The GSC 2.2 Catalogue (STScI, 2001)
The Full GSC2.2.1 Catalogue (455851237 objects) (455851237 rows)
  GSC2.2===N1223211792
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Note: The construction of the GSC-II is still in progress: this version has no proper motions, and the magnitude limits are 18.5 in F (red) and 19.5 in J (blue). The data are copyrighted, check the data use Policy.

ColumnValue  Explain   (UCD)
_RAJ200012 28 16.53504 "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+31 06 05.2452 "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)
_RAB195012 25 47.53855 "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+31 22 40.1157 "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)
_Glon173.40510356 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+83.56928558 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)

GSC2.2N1223211792  (i) Identification of the object (Note 1)   (meta.id;meta.main)
RA(ICRS)187.068896 deg (i) Right Ascension in ICRS (J2000), at Epoch (pos.eq.ra;meta.main)
DE(ICRS)+31.101457 deg (i) Declination in ICRS (J2000) (pos.eq.dec;meta.main)
Epoch1993.286 yr Epoch of the position (time.epoch)
e_RAdeg 0.653 arcsec Mean error on RAdeg (Note 2)   (stat.error)
e_DEdeg 0.600 arcsec Mean error on DEdeg (Note 2)   (stat.error)
Rmag  mag Magnitude in F photographic band (red) (Note 6)   (phot.mag;em.opt.R)
e_Rmag  mag Mean error on Rmag (Note 2)   (stat.error)
Bjmag18.90 mag Magnitude in J photographic band (blue) (Note 6)   (phot.mag;em.opt.B)
e_Bjmag 0.43 mag Mean error on Bjmag (Note 2)   (stat.error)
Vmag  mag Magnitude in V photographic band (green) (Note 6)   (phot.mag;em.opt.V)
e_Vmag  mag Mean error on Vmag (Note 2)   (stat.error)
Imag18.61 mag Magnitude in N photographic band (Note 6)   (phot.mag;em.opt.I)
e_Imag 0.49 mag Mean error on Imag (Note 2)   (stat.error)
Class3   [0,5] Object class (Note 3)   (src.class)
a 2.92 pix Semi-major axis of fitting ellipse (phys.angSize;src)
e 0.11  Eccentricity of fitting ellipse (src.orbital.eccentricity)
aPA 15.0 deg Position angle (N thru E) of fitting ellipse (pos.posAng)
Status 12  Source status flag (Note 4)   (meta.code)
Np 5  Number of plates (Note 5)   (meta.number)
  
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