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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

  
J/AJ/122/503
  SDSS u*g*r*i*z* photometry and redshift of QSOs (Anderson+, 2001)
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2001AJ....122..503A
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1.J/AJ/122/503/table1Positions and photometry of SDSS high-redshift quasars (123 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)
  SDSSp (char) (i) Quasar designation, based on J2000.0 positions (meta.id;meta.main)
  f_SDSSp (char) [*] *: probable BAL quasar (meta.code.error)
  n_SDSSp (char) [r] detected in radio (see table2) (meta.note)
  z  Redshift (src.redshift)
  e_z  rms uncertainty on z (stat.error)
  u*mag mag u* magnitude (Note 1)   (phot.mag;em.opt.U)
  e_u*mag mag rms uncertainty on u*mag (stat.error)
  g*mag mag g* magnitude (Note 1)   (phot.mag;em.opt.B)
  e_g*mag mag rms uncertainty on g*mag (stat.error)
  r*mag mag r* magnitude (Note 1)   (phot.mag;em.opt.R)
  e_r*mag mag rms uncertainty on r*mag (stat.error)
  i*mag mag i* magnitude (Note 1)   (phot.mag;em.opt.I)
  e_i*mag mag rms uncertainty on i*mag (stat.error)
  z*mag mag z* magnitude (Note 1)   (phot.mag;em.opt.I)
  e_z*mag mag rms uncertainty on z*mag (stat.error)
  Note  (n) Notes (Note 2)   (meta.note)
  _RA deg (i) Position (derived from SDSSp name) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position (derived from SDSSp name) (declination part) (pos.eq.dec;meta.main)

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