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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
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J/ApJ/718/392
  SDSS Lyman limit systems at z∼3.5 (Prochaska+, 2010)
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img(gal)
1.J/ApJ/718/392/table1(c)SDSS-DR7 quasar sample (3759 rows)
2.J/ApJ/718/392/table2SDSS-DR7 intervening τ912≥2 LLS survey (607 rows)
3.J/ApJ/718/392/table3SDSS-DR7 non-statistical LLS systems and candidates (2593 rows)
4.J/ApJ/718/392/table6SDSS-DR7 proximate τ912≥2 LLS survey (468 rows)
5.J/ApJ/718/392/table8SDSS-DR7 quasars with KECK+LRIS comparison spectra (32 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Plate  Plate number (meta.id;instr.plate)
  (1)MJD d Modified Julian Date of observation (time.epoch)
  (1)Fiber  Fiber identification (meta.id;meta.main)
   (ALL)SDSS (char) (i) Object name (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  (1)M (char) L for τ912≥2 LLS survey, and p for proximate τ912≥2 LLS (meta.ref.url)
   (ALL)z  Emission line derived redshift (Note 1)   (src.redshift)
  (1)f_z  Flag on z (0=normal) (Note 2)   (meta.code)
  (1)A  (n) Absorbed continuum fitting parameter A (Note 3)   (stat.param;spect.continuum)
  (1)B  (n) Absorbed continuum fitting parameter B (Note 3)   (stat.param;spect.continuum)
  (1)Scale  (n) Additional scaling factor (Note 4)   (arith.factor)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+5)S/N  (n) Estimated signal-to-noise (Note 5)   (stat.snr)
  (1)f_S/N (char) [I] I: indicates an infinity value for S/N (meta.code)
  (1)DR7 (char) Display the SDSS-DR7 quasar and photometry catalogs within 1.5" (meta.ref.url)
  (1)Sloan (char) Display the SDSS online data for this quasar (meta.ref.url)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref)
  (1)NED (char) ask the NED data-base about this object (meta.ref)
  (1)_RA deg (i) Positions from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Positions from SDSS name (declination part) (pos.eq.dec;meta.main)
  (2)Range (char) The zem range (< 3.6 or ≥3.6) (Note 1)   (meta.code)
  (2)zS/N2  Starting redshift at S/N=2 (Note 2)   (src.redshift)
  (2)zS/N3  (n) Starting redshift at S/N=3 (Note 2)   (src.redshift)
  (2+3+4)zLLS  (n) Lyman Limit System redshift (src.redshift)
  (3)logNHI [cm-2] Log of HI column density (Note 1)   (phys.columnDensity)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)S/N (char) Signal-to-noise (Note 2)   (stat.snr)
  (5)f_SDSS   [1/3] Flag indication (1=no LLS, 2=τ912≥2LLS, 3=τ912<2LLS) (Note 1)   (meta.code)
  (5)SLLS  (n) SDSS LLS modeling result (src.redshift)
  (5)SpLLS  (n) SDSS proximate LLS modeling result (src.redshift)
  (5)LLLS  (n) LRIS LLS modeling result (src.redshift)
  (5)LpLLS  (n) LRIS proximate LLS modeling result (src.redshift)

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