VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
CDS

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJ/635/123
  The SDSS-DR3 damped Lyα survey (Prochaska+, 2005)
ReadMe+ftp
2005ApJ...635..123P
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/635/123/table1(c)SDSS-DR3 quasar sample (6568 rows)
2.J/ApJ/635/123/dlaSDSS-DR3 DLA and super-LLS sample (tables 3, 4 and 5 of paper) (924 rows)

Simple ConstraintList Of Constraints
 
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 (obs.field)
  (1)MJD d Modified Julian Date of observation (time.epoch)
  (1)Fiber  Fiber number (meta.id;meta.main)
   (ALL)n_SDSS (char) L indicates a quasar with DLA or super-LLS features (meta.ref.url)
   (ALL)SDSS (char) (i) Quasar name (meta.id;meta.main)
  (1)zem  QSO emission redshift (src.redshift)
  (1)f_zem  Flag describing intrisic absorption on z (Note 1)   (meta.code)
  (1)zstart  (n) Starting redshift for S/Nlim=4 (Note 2)   (src.redshift)
  (1)zstart5  (n) Starting redshift for S/Nlim=5 (Note 2)   (src.redshift)
  (1)zend  (n) Ending redshift for S/Nlim=4 (Note 2)   (src.redshift)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)zcand (char) Candidate(s) absorption redshift(s) along sightline (src.redshift)
  (1)SDSSdata (char) View the SDSS details (meta.ref.url)
  (1)_RA deg (i) Position (from SDSS name) (right ascension part) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Position (from SDSS name) (declination part) (pos.eq.dec;meta.main)
  (2)Class (char) Class of the source: DLA-s for Damped Ly-α in statistical sample, DLA-n for Damped Ly-α in non-statistical sample, SLLS for Super-Lyman Limit System (src.class)
  (2)SDSSt (char) Quasar truncated name (Note 1)   (meta.id;meta.main)
  (2)zabs  Damped Lyα absorption redshift (Note 1)   (src.redshift)
  (2)DR   [1,3] Data release of actual spectrum analyzed (meta.id)
  (2)S/N  (n) Signal-to-Noise ratio (stat.snr)
  (2)Memb (char) [yn] Membership in the CLR (confidence limit ratio) statistical cut? (meta.code.member;stat.value)
  (2)Metal   [0/2] Flag on the metal-line absorption (Note 2)   (meta.note)
  (2)logNHI [cm-2] Log of the Hydrogen column density (phys.columnDensity)
  (2)E_logNHI [cm-2] Upper limit error in logNHI (stat.error;stat.max)
  (2)e_logNHI [cm-2] Lower limit error in logNHI (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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