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J/MNRAS/354/L31
  SDSS DR2 QSO and DLA properties (Murphy+, 2004)
ReadMe+ftp
2004MNRAS.354L..31M
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Post annotation 		img(gal)
1.J/MNRAS/354/L31/table1Catalogue of DR2 QSO and DLA properties. (1979 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)
  SDSS (char) SDSS J2000 name of the QSO derived from the RA and DEC supplied in the FITS headers of the spectra (HHMMSS.ss+DDMMSS.s)
  z  SDSS emission redshift of the QSO given in the FITS headers of the spectra.
  r'mag mag r'-band PSF magnitude corrected for Galactic extinction
  i'mag mag i'-band PSF magnitude corrected for Galactic extinction
  z'mag mag z'-band PSF magnitude corrected for Galactic extinction
  Sp+Index  Spectral index.
  e_Sp+Index  1-sigma statistical error in spectral index
  S/Nmin  Minimum signal-to-noise ratio
  zabs  (n) Absorption redshift of the DLA (approximate only)
  EWHa 0.1nm (n) Rest-frame equivalent width of the damped Lyman alpha line
  e_EWHa 0.1nm (n) 1-sigma statistical error in EWHa
  DLA   [0/2] Status of DLA detection (Note 1)   
  Target   [0/1] Primary (1) or secondary (0) SDSS target
  DR1   [0/1] QSO appears (1) or did not appears (0) in SDSS DR1 QSO catalogue (Cat. J/AJ/126/2579)
  BAL   [0/1] QSO deemed (1) or not deemed (0) to have BALs (Note 2)   
  _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)

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