VizieR

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VizieR

  
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/table14Column densities for the species CIV and SiIV (41 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)
  QSO (char) Quasar designation (HHMM+DDMM; J2000) (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  zDLA  DLA redshift ((unassigned);(unassigned);(unassigned);pos.parallax;meta.main)
  logNHI [cm-2] Log of HI column density ((unassigned);phys.veloc.orbital;arith.diff;(unassigned))
  l_logNCIV (char) Limit flag on logNCIV (instr.setup;pos.parallax.trig;arith.factor;pos.galactic.lon)
  logNCIV [cm-2] Log of CIV column density (spect.index;obs.field;arith.factor;(unassigned))
  e_logNCIV [cm-2] (n) logNCIV uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  l_logNSiIV (char) Limit flag on logNSiIV ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  logNSiIV [cm-2] (n) Log of SiIV column density ((unassigned);pos.wcs.naxis;arith.grad;(unassigned))
  e_logNSiIV [cm-2] (n) logNSiIV uncertainty ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(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=846477284 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/VR691938.err (2026-10-28T04:34:41)
-3
-source=J/ApJ/721/1/table14
-ref=VIZ6ae17b63a8ee2
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