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J/AJ/151/104
  Photometry and spectroscopy of LS V+44 17 (Yan+, 2016)
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2016AJ....151..104Y
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1.J/AJ/151/104/table1Summary of the spectroscopic observations of LSV+44 17 between our 2001 and 2014 observations (65 rows)

Simple ConstraintList Of Constraints
 
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ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Date "Y:M:D" (n)Date of observation (time.epoch)
  f_Date (char) [b] Flag "b" on Date indicates data obtained with the Lijiang 2.4m telescope (meta.code)
  Exp s [100/1200] Exposure time (time.duration;obs.exposure)
  MJD d [52177/56930] Modified Julian Date (time.epoch)
  Disp 0.1nm/pix [1/2.45] Dispersion (spectral resolution) (in Å/pixels) (instr.dispersion)
  EWHa 0.1nm [0.6/12.9] Hα equivalent width (spect.line.eqWidth;em.line.Halpha)
  e_EWHa 0.1nm [0.03/0.51] Uncertainty in EWHa (stat.error)
  logV/R [-] (n) [-0.16/0.11] Log V/R ratio of the Hα line (Note 2)   (spect.line.intensity;arith.ratio)
  f_logV/R (char) Flag on logV/R (single) (meta.code)
  Rd/Rs  (n) [1.9/12.9] Ratio of Hα emission region radius to central star radius (Rd/R*) (phys.size;arith.ratio)

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