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/559/654
  Ly{alpha} absorption systems. V. (Chen+, 2001)
ReadMe+ftp
2001ApJ...559..654C
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/559/654/objectList of all QSOs (20 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);phys.veloc.orbital;arith.diff;phys.veloc)
  Field (char) (i) Field (QSO) designation ((unassigned);phys.veloc.orbital;arith.diff;spect.line.veloc;arith)
  RAJ2000 "h:m:s" Right ascension (J2000.0) ((unassigned);pos.galactic.lon;arith.diff;(unassigned);arith)
  DEJ2000 "d:m:s" Declination (J2000.0) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  zem  (n) Emission redshift (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.parallax;meta.main)
  Filter (char) [F702W ] Filter (Note 1)   ((unassigned);(unassigned);(unassigned);spect.line.veloc;phys.SFR)
  TExp s (n) Exposition time (Note 1)   ((unassigned);instr.beam;stat.min;(unassigned);(unassigned);meta.main)
  Date "Y:M:D" (n)Observation date (Note 1)   ((unassigned);(unassigned);(unassigned);pos.centroid;stat.param)
  Date2 "Y:M:D" (n)Second observation date (Note 1)   ((unassigned);phys.luminosity.fun;arith.factor;pos.centroid;stat.param)
  Simbad  ask the Simbad data-base about this object

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=846442521 Where phase=3 and catid=15590654
**** 
**** --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/VR188598.err (2026-10-27T18:55:19)
-3
-source=J/ApJ/559/654/object
-ref=VIZ6ae0f3982e0b6
elapse time 2