VizieR

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

VizieR

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J/other/RAA/19.29/kqcg Compilation of known QSOs for the Gaia mission (Liao+, 2019)
Known QSOs catalog for Gaia mission catalog (1842076 rows)
  recno=652923
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ColumnValue  Explain   (UCD)
_RAJ200010 12 50.4390480000 "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)
_DEJ2000-20 22 47.511480000 "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)
_RAB195010 10 27.9123618990 "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)
_DEB1950-20 07 55.318380488 "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)
_Glon259.8253872904462 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 28.9189466668039 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)
652923recno 652923  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameJ101250.43-202247.5  Name (Note 1)   (meta.id;meta.main)
RAJ2000153.21016270000 deg (i) Right ascension (J2000.0) (Note 2)   (pos.eq.ra;meta.main)
DEJ2000-20.37986430000 deg (i) Declination (J2000.0) (Note 2)   (pos.eq.dec;meta.main)
e_RAJ20000.05620000000 arcsec Error in Right ascension (stat.error;pos.eq.ra)
e_DEJ20000.05800000000 arcsec Error in Declination (stat.error;pos.eq.dec)
z    Redshift (Note 3)   (src.redshift)
umag  mag u photographic magnitude (Note 4)   (phot.mag;em.opt.U)
gmag  mag g photographic magnitude (Note 4)   (phot.mag;em.opt.B)
rmag  mag r photographic magnitude (Note 4)   (phot.mag;em.opt.R)
imag  mag i photographic magnitude (Note 4)   (phot.mag;em.opt.I)
zmag  mag z photographic magnitude (Note 4)   (phot.mag;em.opt.I)
RefP  Reference catalog (Note 5)   (meta.id;meta.table)
W1-W2 1.38 mag W1-W2 photographic magnitude (Note 6)   (phot.color;em.IR;em.IR)
W2-W3 2.97 mag W2-W3 photographic magnitude (Note 6)   (phot.color;em.IR;em.IR)
W1mag14.64 mag W1 photographic magnitude (Note 6)   (phot.mag;em.IR.3-4um)
  
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