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/721/1
  Keck ESI observations of Lyα 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. (meta.record)
  SDSS (char) SDSS-DR7 IAU name of the QSO (Note 1)   (meta.id;meta.main)
  A (char) A indicates that abundances and observations for DLA systems are given for this quasar (tables 2, 13 and 14) (meta.ref.url)
  zabs  Absorption redshift (src.redshift)
  logNHI [cm-2] Log of the HI column density (phys.columnDensity)
  QSO (char) (i) QSO designation as in other tables (meta.id)
  DR7+8  Link to data from SDSS-DR7 and -DR8 photometric catalogs (meta.ref.url)
  Sloan  Display the SDSS online data for this quasar (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref)
  _RA deg (i) Positions from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SDSS name (declination part) (pos.eq.dec;meta.main)

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usage  Display UCD1+    UCD1  
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