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/ApJS/243/2
  SiIV and NV absorption line SDSS quasar systems (Chen+, 2019)
ReadMe+ftp
2019ApJS..243....2C
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/ApJS/243/2/qsosList of SDSS quasars from Tables 1 and 2; table added by CDS (322 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) (i) SDSS object name (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)
  zem   [1.7/4.5] Quasar redshift (src.redshift)
  SiIV  (n)Display the SiIV data for this SDSS (link to Table1) (meta.ref.url)
  NV  (n)Display the NV data for this SDSS (link to Table2) (meta.ref.url)
  CIV  Display CIV data from Chen+, 2018, J/ApJS/239/23 (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  NED  ask the NED data-base about this object (meta.ref.url)
  _RA deg (i) Positions from SDSS names (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SDSS names (declination part) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
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usage  Display UCD1+    UCD1  
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