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  The 2dF-SDSS QSO survey (Croom+, 2009)
Post annotation
1.J/MNRAS/392/19/colcomp2SLAQ colour completeness array plot the completeness (915 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)
  z  Redshift (src.redshift)
  gmag mag SDSS g magnitude (phot.mag;em.opt.B)
  Comp   [0,1] Completeness (function of z and gmag) (meta.note)
  gmaghost mag Mean host contribution in terms of mags (g-band) (phot.mag)
  imaghost mag Mean host contribution in terms of mags (i-band) (phot.mag;stat.mean)

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 (i)indexed column
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