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  Evolution of CIV absorbers. I. Absorber properties (Hasan+, 2020)
Post annotation
1.J/ApJ/904/44/table2Data of CIV absorber properties (1268 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)
  QSO (char) Quasar name in J2000 format (;meta.main)
  z   [1.04/4.72] CIV absorber redshift (src.redshift)
  W1548 0.1nm [0.05/4.23] CIV 1548 rest-frame equivalent width (spect.line.eqWidth)
  e_W1548 0.1nm [0.001/0.2] Uncertainty in W1548 (stat.error)
  l_Naod (char) Upper limit flag for Naod (meta.code.error)
  Naod [cm-2] [13.1/15.5] log10 Apparent Optical Depth (AOD) column density, atoms/cm2 (phys.absorption.opticalDepth)
  E_Naod [cm-2] (n) [0/0.1] Upward uncertainty in Naod (Note 1)   (stat.error;stat.max)
  e_Naod [cm-2] (n) [0.01/0.2] Downward uncertainty in Naod (stat.error)

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