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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/543/552
  z>3 damped Ly{alpha} absorption systems (Storrie-Lombardi+, 2000)
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2000ApJ...543..552S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/543/552/table6Statistical sample: QSOs without damped Lyman{alpha} absorbers (566 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)
  QSO (char) (i) QSO name (meta.id;meta.main)
  z  QSO redshift (src.redshift)
  zMin  Lower redshift limit for detection (src.redshift)
  zMax  Upper redshift limit for detection (src.redshift)
  zAbs  (n) Absorption redshift (src.redshift)
  log(NHI) [cm-2] (n) Log of hydrogen column density (phys.columnDensity)
  Note (char) [a] a: Candidate (meta.note)
  r_QSO (char) Reference code(s) detailed in refs.dat file (meta.ref)
  Simbad  ask the Simbad data-base about this object (meta.ref)
  _RA deg (n)(i) Position (from Simbad) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (n)(i) Position (from Simbad) (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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