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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

  Column densities of CGM absorption lines (Pointon+, 2019)
Post annotation
1.J/ApJ/883/78/table1Quasar observations (29 rows)

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)
  ID (char) (i) Truncated JName (JHHMM) (
  Ng  (n)Number of galaxies around this quasar (link to Table 2) (meta.number)
  zQSO   [0.17/1.3] Redshift of the quasar (src.redshift;pos.heliocentric)
  RAJ2000 "h:m:s" (i) Hour of right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of declination (J2000) (pos.eq.dec;meta.main)
  Grating (char) COS grating(s) (;instr)
  PID (char) HST/COS program identifier(s) (;obs)
  Inst (char) Optical spectrograph (;instr)
  Opt (char) Optical program identifier(s) (;obs)
  f_Opt (char) a: Spectra from Churchill & Vogt (2001AJ....122..679C) (meta.code)
  Sloan  Display the online SDSS data for the nearest object (meta.ref.url)
  SimbadName (char) Designation understandable by the Simbad data-base (

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