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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

  The Half Million Quasars (HMQ) catalogue (Flesch, 2015)
Post annotation
1.VII/273/hmqThe Half Million Quasars catalogue (510764 rows)

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)
  RAJ2000 deg (i) Right ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
  Name (char) ID from the literature (;meta.main)
  r_Name  (n) Reference for name, in refs.dat file (meta.ref;pos.frame)
  Cl (char) [ABKQq] Classification of object (Note 2)   (src.class)
  A (char) [2RX ] Summary of associations for object (Note 3)   (meta.code)
  Rmag mag (n) Red optical magnitude (Note 4)   (phot.mag;em.opt.R)
  Bmag mag (n) Blue optical magnitude (Note 4)   (phot.mag;em.opt.B)
  Com (char) Comment on optical object (Note 5)   (meta.note;spect.dopplerVeloc.opt;em.opt)
  R (char) [1nx-] Red optical PSF class (Note 6)   (src.class.starGalaxy)
  B (char) [1nx-] Blue optical PSF class (Note 6)   (src.class.starGalaxy)
  z  (n) Redshift from the literature (Note 7)   (src.redshift)
  r_z  (n) Reference for redshift, in refs.dat file (meta.ref;pos.frame)
  XName (char) X-ray ID, if any (Note 9)   (
  RName (char) Radio ID, if any (Note 9)   (
  Lobe1 (char) Radio lobe ID or extra R/X ID, if any (Note 9)   (
  Lobe2 (char) Radio lobe ID or extra X-ray ID, if any (Note 9)   (

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
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