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  Keck ESI observations of Lyα systems (Penprase+, 2010)
Post annotation
1.J/ApJ/721/1/table14Column densities for the species CIV and SiIV (41 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 designation (HHMM+DDMM; J2000) (Note G1)   (;meta.main)
  zDLA  DLA redshift (src.redshift)
  logNHI [cm-2] Log of HI column density (phys.columnDensity)
  l_logNCIV (char) Limit flag on logNCIV (meta.code.error)
  logNCIV [cm-2] Log of CIV column density (phys.columnDensity)
  e_logNCIV [cm-2] (n) logNCIV uncertainty (stat.error)
  l_logNSiIV (char) Limit flag on logNSiIV (meta.code.error)
  logNSiIV [cm-2] (n) Log of SiIV column density (phys.columnDensity)
  e_logNSiIV [cm-2] (n) logNSiIV uncertainty (stat.error)

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