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/559/654
  Lyα 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. (meta.record)
  Field (char) (i) Field (QSO) designation (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  zem  (n) Emission redshift (Note 1)   (src.redshift)
  Filter (char) [F702W ] Filter (Note 1)   (meta.id;instr.filter)
  TExp s (n) Exposition time (Note 1)   (time.duration;obs.exposure)
  Date "Y:M:D" (n)Observation date (Note 1)   (time.epoch;obs)
  Date2 "Y:M:D" (n)Second observation date (Note 1)   (time.epoch;obs)
  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  
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→ Cite/acknowledge VizieR catalogue
→ Rules of usage of VizieR data

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