VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
CDS

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/other/RAA/23.B5006
  Catalog of QSO candidates with Gaia EDR3 (Wu+, 2023)
ReadMe+ftp
2023RAA....23b5006W
Similar Catalogs
Post annotation 		img(gal)
1.J/other/RAA/23.B5006/qccQuasar Candidates Catalog (1503373 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  GaiaEDR3  Unique Gaia EDR3 source identifier (source_id) (meta.id;meta.main)
  WISE (char) Unique AllWISE source identifier (WISE_id) (meta.id)
  RA_ICRS deg (i) Right Ascension (ICRS) at Ep=2016.0 (ra) (pos.eq.ra;meta.main)
  e_RA_ICRS mas Error of right ascension (ra_error) (stat.error;pos.eq.ra)
  DE_ICRS deg (i) Declination (ICRS) at Ep=2016.0 (dec) (pos.eq.dec;meta.main)
  e_DE_ICRS mas Error of right declination (dec_error) (stat.error;pos.eq.dec)
  plx mas Parallax of the source at J2016.0 (parallax) (pos.parallax.trig)
  e_plx mas Error of parallax (parallax_error) (stat.error;pos.parallax)
  PM mas/yr Total proper motion (pm) (pos.pm)
  pmRA mas/yr Proper motion in right ascension direction (pmra) (pos.pm;pos.eq.ra)

ALL cols		    
 (i)indexed column
  e_pmRA mas/yr Error of proper motion in right ascension direction (pmra_error) (stat.error;pos.pm;pos.eq.ra)
  pmDE mas/yr Proper motion in declination direction (pmdec) (pos.pm;pos.eq.dec)
  e_pmDE mas/yr Error of proper motion in declination direction (pmdec_error) (stat.error;pos.pm;pos.eq.dec)
  pmRApmDEcor   [-1/1] Correlation between pmRA and pmDE (pmrapmdeccorr) (pos.pm;pos.eq.ra)
  NgAL  Number of good observations AL (ngood_AL) (meta.number)
  Gmag mag (n) G-band mean magnitude (G_mag) (phot.mag;em.opt)
  Solved   [31/95] 31 for five-parameter solutions, 95 for six-parameter solutions (astrometricparamssolved) (meta.code)
  W1-W2 mag AllWISE W1-W2 colour (W1_mag-W2mag) (phot.color;em.IR;em.IR)
  Class (char) [A/B/RQC] A, B for quasar candidates in QCC-A and QCC-B, RQC for the reliable quasar candidates in QCC-B (Class) (meta.code.class)
  Flag (char) ABQ for abnormal astrometric quasar candidates (Flag) (meta.code.error)
  _RA.icrs deg (n)(i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
  _DE.icrs deg (n)(i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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