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  Low Ionization BALQSOs MgII and AlIII variability (Vivek+, 2014)
Post annotation
1.J/MNRAS/440/799/table1Log of observations (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) QSO SDSS name ( (;meta.main)
  SName (char) Short name (
  Inst (char) Observatory/Instrument (Note 2)   (meta.note)
  Date "Y:M:D" (n)Observation date (time.epoch;obs)
  MJD d Modified Julian date (time.epoch)
  Exp1 min [5/80] Exposure time of 1 exposure (time.duration;obs.exposure)
  Nexp  Number of exposures (meta.number)
  lam.min 0.1nm Lower value of wavelength coverage (instr.bandwidth)
  lam.max 0.1nm Upper value of wavelength coverage (instr.bandwidth)
  Res km/s Resolution (spect.resolution)
  S/N   [2/62] Signal-to-noise ratio (Note 1)   (stat.snr)

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