VizieR

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

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/721/1
  Keck ESI observations of Ly{alpha} systems (Penprase+, 2010)
ReadMe+ftp
2010ApJ...721....1P
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/721/1/table1SDSS-DR5 metal-poor DLA candidates (405 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. ((unassigned);(unassigned);(unassigned);phys.veloc)
  SDSS (char) SDSS-DR7 IAU name of the QSO (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  A (char) A indicates that abundances and observations for DLA systems are given for this quasar (tables 2, 13 and 14) ((unassigned);(unassigned);(unassigned);pos.geocentric)
  zabs  Absorption redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  logNHI [cm-2] Log of the HI column density ((unassigned);(unassigned);(unassigned);(unassigned))
  QSO (char) (i) QSO designation as in other tables ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  DR7+8  Link to data from SDSS-DR7 and -DR8 photometric catalogs (phot.limbDark;phys.mol;arith.grad;pos.geocentric)
  Sloan  Display the SDSS online data for this quasar ((unassigned);(unassigned);(unassigned);pos.geocentric)
  Simbad  ask the Simbad data-base about this object ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc.dispersion)
  _RA deg Positions from SDSS name (right ascension part) (obs.param;obs.atmos;arith.factor;(unassigned);arith)
  _DE deg Positions from SDSS name (declination part) ((unassigned);pos.wcs.naxis;arith.grad;(unassigned);arith)

ALL cols		    
 (i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846458752 Where phase=3 and catid=17210001
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR532748.err (2026-10-27T23:25:51)
-3
-source=J/ApJ/721/1/table1
-ref=VIZ6ae133008210c
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