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/857/126
  Quasars Probing Quasars. IX. (QPQ9) (Lau+, 2018)
ReadMe+ftp
2018ApJ...857..126L
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/857/126/table1Properties of the projected quasar pairs in the QPQ9 sample (148 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)
  QSOfg (char) Foreground quasar designation (JHHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  zfg   [1.6/3.82] Foreground redshift (src.redshift;pos.heliocentric)
  n_zfg (char) The emission line analyzed for measuring zfg (meta.note)
  QSObg (char) Background quasar designation (JHHMMSS.ss+DDMMSS.s) (meta.id.assoc)
  zbg   [1.64/4.2] Background redshift (src.redshift;pos.heliocentric)
  Telzbg (char) Background quasar instrument (meta.id;instr)
  Sep kpc [32/299] Projected separation at the foreground quasar's redshift (pos.angDistance)
  gUV   [60/34208] The enhancement in the UV flux relative to the extragalactic UV background, gUV (phot.flux;em.UV)
  QPQ6  (n)Display data from QPQ6 (Prochaska+ 2013, J/ApJ/776/136) (meta.ref.url)
  Sloan  Display the online SDSS-DR17 data for the nearest object of the foreground quasar (meta.ref.url)
  SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  _RA deg (i) Positions from foreground quasar names (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from foreground quasar names (declination part) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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