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Catalog

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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

  
J/ApJ/699/782
  High-redshift SDSS-DR5 QSOs (Diamond-Stanic+, 2009)
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img(gal)
1.J/ApJ/699/782/table1Parameters for all z>3 quasars (5374 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) Quasar SDSS identification (HHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  n_SDSS (char) [sdw, ] quasar belongs to sample(s) (Note 1)   (meta.note)
  EW1 0.1nm (n) Lyα+NV equivalent width in Angstroms (spect.line.eqWidth)
  e_EW1 0.1nm (n) The 1σ error in EW1 (stat.error)
  EW2 0.1nm (n) CIV equivalent width in Angstroms (spect.line.eqWidth)
  e_EW2 0.1nm (n) The 1σ error in EW2 (stat.error)
  alpha  Spectral index α (fν∝να) (spect.index)
  z  SDSS-DR5 redshift (src.redshift)
  l_R (char) Limit flag on R (meta.code.error)
  R  (n) The radio-loudness R parameter (Note 2)   (phot.flux;arith.ratio)
  Sel  Uniform selection flag (Note 3)   (meta.code)
  BAL  BAL flag (Note 4)   (meta.code)
  DR5+7  Display the SDSS-DR7 and SDSS-DR5 quasar catalog data (meta.ref.url)
  Sloan  Display the SDSS data for this quasar (meta.ref.url)
  Simbad  ask the Simbad data-base about this object
  NED  ask the NED data-base about this object
  _RA deg (i) Positions from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SDSS name (declination part) (pos.eq.dec;meta.main)

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