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Looking for catalogs ..
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

  SDSS damped Lyα survey: DR1 (Prochaska+, 2004)
Post annotation
1.J/PASP/116/622/table1SDSS Quasar Sample (1039 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 designation (;meta.main)
  zem  Emission redshift (src.redshift)
  zstart  (n) Start redshift (src.redshift)
  zend  (n) End redshift (src.redshift)
  BAL (char) [0-2] Flag for BAL activity (Note 1)   (meta.code)
  zcand (char) Redshift of DLA candidates, including the false-positive detections, separated by comma (src.redshift)
  _RA deg (i) Position derived from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Position derived from SDSS name (declination part) (pos.eq.dec;meta.main)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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