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J/AJ/151/104
  Photometry and spectroscopy of LS V+44 17 (Yan+, 2016)
timeSerie
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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)
2.J/AJ/151/104/table2Summary of the BVRI photometric observations of LSV+44 17 between our 2007 and 2014 observations [timeSerie](Light curves) (87 rows)

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

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Bmag mag (n) [-3.3/-3] B band magnitude (phot.mag;em.opt.B)
  (2)e_Bmag mag (n) [0.01/0.02] Uncertainty in Bmag (stat.error;phot.mag;em.opt.B)
  (2)Vmag mag (n) [-3.6/-3.2] V band magnitude (phot.mag;em.opt.V)
  (2)e_Vmag mag (n) [0.009/0.023] Uncertainty in Vmag (stat.error;phot.mag;em.opt.V)
  (2)Rmag mag (n) [-3.5/-3.1] R band magnitude (phot.mag;em.opt.R)
  (2)e_Rmag mag (n) [0.011/0.026] Uncertainty in Rmag (stat.error;phot.mag;em.opt.R)
  (2)Imag mag (n) [-2.1/-1.7] I band magnitude (phot.mag;em.opt.I)
  (2)e_Imag mag (n) [0.009/0.013] Uncertainty in Imag (stat.error;phot.mag;em.opt.I)

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