VizieR

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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=1252364
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ColumnValue  Explain   (UCD)
_RAJ200005 55 07.9816320000 "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)
_DEJ2000-21 13 04.930680000 "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)
_RAB195005 53 00.1695150035 "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)
_DEB1950-21 13 30.922671469 "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)
_Glon226.5298999164460 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-21.5191034414441 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)
1252364recno 1252364  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameJ055507.98-211304.9  Name (Note 1)   (meta.id;meta.main)
RAJ2000 88.78325680000 deg (i) Right ascension (J2000.0) (Note 2)   (pos.eq.ra;meta.main)
DEJ2000-21.21803630000 deg (i) Declination (J2000.0) (Note 2)   (pos.eq.dec;meta.main)
e_RAJ20000.03240000000 arcsec Error in Right ascension (stat.error;pos.eq.ra)
e_DEJ20000.03160000000 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-Q  Reference catalog (Note 5)   (meta.id;meta.table)
W1-W2 1.06 mag W1-W2 photographic magnitude (Note 6)   (phot.color;em.IR;em.IR)
W2-W3 2.50 mag W2-W3 photographic magnitude (Note 6)   (phot.color;em.IR;em.IR)
W1mag10.82 mag W1 photographic magnitude (Note 6)   (phot.mag;em.IR.3-4um)
  
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