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J/ApJ/910/42
  LCs and spectroscopic observations of AT2018cow (Xiang+, 2021)
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2021ApJ...910...42X
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spectrum
timeSerie
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1.J/ApJ/910/42/table1Optical photometric observations of AT2018cow [timeSerie] (Interactive plot)
timeSerie
(485 rows)
2.J/ApJ/910/42/table2Log of optical spectroscopy of AT2018cow[spectrum] (32 rows)

Simple ConstraintList Of Constraints
 
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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)
   (ALL)MJD d [58285.44/58348.75] Observation date (JD-2400000.5) (time.epoch)
  (1)omag mag [13.39/21.37] Observed magnitude in Filt (phot.mag)
  (1)e_omag mag (n) [0.006/0.7] Uncertainty in omag (stat.error;phot.mag)
  (1)Filt (char) Filter (UBVRIgrio) (meta.id;instr.filter)
  (1)r_omag (char) Telescope or reference (Note 1)   (meta.ref)
  (2)Obs s [2018/2019] Year of the observation (UT) (time.epoch)
  (2)Tel (char) Telescope (Note 1)   (meta.id;instr.tel)
  (2)lam1 0.1nm [3500/6440] Wavelength lower range in Å (em.wl;stat.min)
  (2)lam2 0.1nm [6970/10300] Wavelength upper range in Å (em.wl;stat.max)
  (2)Inst (char) Instrument (meta.id;instr)
  (2)Exp s [300/3600] Exposure time (time.duration;obs.exposure)
  (2)n_MJD (char) [a] Flag on spectrum (Note 2)   (meta.note)
  (2)FileName (char) Name of the ASCII file in subdirectory "sp/"; column added by CDS (meta.id;meta.file)
  (2)Sp (char) Interactive spectrum Plot (meta.ref.url)

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