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

  Active galactic nuclei from HeII (Bar+, 2017)
Post annotation
1.J/MNRAS/466/2879/table1All the BPT-selected AGN candidates and additional AGN candidates selected by the HeII method (1316 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)
  SDSS (char) SDSS ObjId (
  RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  z  Redshift (src.redshift)
  Mass Msun Mass (phys.mass)
  u-r mag (n) SDSS u-r colour index (phot.color;em.opt.U;em.opt.R)
  BPT-AGN   [0/1] BPT-selected AGN candidates ? (meta.code)
  HeII-AGN   [0/1] HeII-selected AGN candidates ? (meta.code)
  HeII-BPT-AGN   [0/1] AGN candidates selected by both methods ? (meta.code)
  HeII-only   [0/1] HeII-only AGN candidates ? (meta.code)
  BAD   [0/1] 1 when HeII spectra considered as unreliable (meta.code)
  Sloan  Display the online SDSS data for this galaxy (meta.ref.url)
  SimbadName (char) Designation understandable by the Simbad data-base (

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