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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
Target dimension:

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J/ApJ/862/22
  CIV broad abs. line SDSS QSO obs. with Gemini (Rogerson+, 2018)
Post annotation
img(gal)
1.J/ApJ/862/22/obsList of observations and rest-frame time between successive observations of the 105 quasars (tables 3 and 4) (Note) (105 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)
  SDSS (char) SDSS DR7 designation (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)
  zspec   [1.7/4.2] Spectroscopic redshift (src.redshift)
  SDSS1 d (n) Modified Julian Date, SDSS Observation 1 (time.epoch;obs)
  SDSS2 d (n) Modified Julian Date, SDSS Observation 2 (time.epoch;obs)
  BOSS1 d (n) Modified Julian Date, BOSS Observation 1 (time.epoch;obs)
  BOSS2 d (n) Modified Julian Date, BOSS Observation 2 (time.epoch;obs)
  GEM1 d (n) Modified Julian Date, Gemini Observation 1 (time.epoch;obs)
  GEM2 d (n) Modified Julian Date, Gemini Observation 2 (time.epoch;obs)
  GEM3 d (n) Modified Julian Date, Gemini Observation 3 (time.epoch;obs)
  GEM4 d (n) Modified Julian Date, Gemini Observation 4 (time.epoch;obs)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  GEM5 d (n) Modified Julian Date, Gemini Observation 5 (time.epoch;obs)
  delta12 d (n) [2.8/1208] Rest-frame days between 1st and 2nd observation (time;arith.diff)
  delta23 d (n) [1.9/1080] Rest-frame days between 2nd and 3rd observation (time;arith.diff)
  delta34 d (n) [18.7/353] Rest-frame days between 3rd and 4th observation (time;arith.diff)
  delta45 d (n) [6/306.6] Rest-frame days between 4th and 5th observation (time;arith.diff)
  delta56 d (n) [4/37.4] Rest-frame days between 5th and 6th observation (time;arith.diff)
  delta67 d (n) [5.8/10.4] Rest-frame days between 6th and 7th observation (time;arith.diff)
  Sloan  Display the online SDSS data for the nearest object (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
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