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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

  Variability of SDSS broad absorption line QSOs (Wang+, 2015)
Post annotation
1.J/ApJ/814/150/table2Variable absorption line components (1084 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 identifier ( (;meta.main)
  f_SDSS (char) [*] Flag on SDSS (Note 1)   (meta.code)
  Plate  SDSS plate number (;instr.plate)
  MJD d [51578/56104] Modified Julian Date of SDSS exposure (time.epoch)
  Fiber  SDSS Fiber identifier (
  Vel1 km/s (n) [-45900/-2400] Lower range of velocity (instr.bandwidth)
  Vel2 km/s (n) [-42700/0] Upper range of velocity (instr.bandwidth)
  Ref (char) r = Plate-MJD-Fiber reference spectrum (meta.ref;pos.frame)
  CIV  (n) The C IV variability sign (Note 2)   (meta.code;src.var)
  SiIV  (n) The Si IV variability sign (Note 2)   (meta.code;src.var)
  NV  (n) The N V variability sign (Note 2)   (meta.code;src.var)
  Cont  (n) The continuum variability sign (Note 2)   (meta.code;src.var)
  Em  (n) The emission line variability sign (Note 2)   (meta.code;src.var)
  Sp  Interactive spectrum from SDSS (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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