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  SDSS Lyman limit systems at z∼3.5 (Prochaska+, 2010)
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1.J/ApJ/718/392/table8SDSS-DR7 quasars with KECK+LRIS comparison spectra (32 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)
  SDSS (char) SDSS name ( (;meta.main)
  z  Emission line redshift (src.redshift)
  S/N  Signal to noise of the absorbed continuum at the Lyman limit (S/NA912) (stat.snr;spect.continuum)
  f_SDSS   [1/3] Flag indication (1=no LLS, 2=τ912≥2LLS, 3=τ912<2LLS) (Note 1)   (meta.code)
  SLLS  (n) SDSS LLS modeling result (src.redshift)
  SpLLS  (n) SDSS proximate LLS modeling result (src.redshift)
  LLLS  (n) LRIS LLS modeling result (src.redshift)
  LpLLS  (n) LRIS proximate LLS modeling result (src.redshift)

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