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J/ApJ/524/536
 Nearby Lyα quasar absorbers (Impey+, 1999)
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1.J/ApJ/524/536/table2Absorption-Line measurements & identifications (355 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number within the original table (starting from 1)
  Name (char) QSO name
  Simbad  ask the SIMBAD data-base about this object
  z  QSO redshift
  Number  Absorption line number
  Wave 0.1nm Observed vacuum heliocentric line wavelength in Angstroms
  e_Wave 0.1nm Error in Wave in Angstroms
  f_Wave (char) [h] Flag on Wave (Note 1)   
  EqWidth 0.1nm Equivalent width in Angstroms
  e_EqWidth 0.1nm Error in EqWidth in Angstroms
  FWHM 0.1nm Full Width Half Maximum in Angstroms (Note 2)   

ALL cols		    
   
  e_FWHM 0.1nm Error in the FWHM in Angstroms
  Chi2  The Χ2 of the line fit
  Signif  Significance of the line width (Note 3)   
  SignifL  Significance of the line width (Note 4)   
  f_SignifL (char) [i] Flag on SignifL (Note 5)   
  zAbsorp  (n) Redshift of the absorption system
  ID (char) Line identification
  f_ID (char) [*] Indicates excited transitions
  n_ID (char) [fg] Note on ID (Note 6)   
  RWave nm (n) Rest wavelength of line
  f_RWave (char) [ab] Indicates one of the two strongest transitions of the N I 1200 angstrom triplet
  DWave 0.1nm (n) Wavelength residual in Angstroms (Note 7)   

ALL cols		    
(n) indicates a possible blank or NULL column  
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