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J/ApJ/883/94
  Optical and UV follow-up of 1ES 1927+654 (Trakhtenbrot+, 2019)
spectrum
timeSerie
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1.J/ApJ/883/94/table1Log of spectroscopic observations[spectrum] (28 rows)
2.J/ApJ/883/94/fig1Long-term optical light curve of 1ES1927+654 [timeSerie] (Interactive plot)
timeSerie
(714 rows)
3.J/ApJ/883/94/fig2Light curve and equivalent-width evolution of 1ES 1927+654 during the flare (Opt-UV, X and EWs plots) (2909 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)Date "Y:M:D" (n)Date of observation (UT) at exposure start (time.epoch)
  (1)delT d [72/503] Time since ATLAS first detection of the optical flare (MJD=58110.2), in rounded rest-frame days (time;arith.diff)
  (1)Exp s [300/3600] Exposure time (time.duration;obs.exposure)
  (1)f_Date (char) [*c] Flag on Date (Note 1)   (meta.code)
  (1)f_Exp (char) [d] Flag on Exp (Note 1)   (meta.code)
  (1)Inst (char) Instrument (meta.id;instr)
   (ALL)MJD d [58183.5/58622.6] Modified Julian Date at exposure start (time.epoch)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)sp (char) Interactive plot of the spectrum (meta.ref.url)
   (ALL)Tel (char) Telescope (meta.id;instr.tel)
  (1)u_Exp (char) [~] Uncertainty flag on Exp (meta.code.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3)e_mag mag (n) [0.014/0.4] Uncertainty in mag (Note G1)   (stat.error;phot.mag)
  (2+3)Filt (char) Filter (g, V or c, o) (meta.id;instr.filter)
  (2+3)l_mag (char) [l] 3-sigma non-detection limit flag on mag (meta.code.error)
  (2+3)mag mag [14.8/19.5] Apparent magnitude in Filt (phot.mag)
  (2+3)Phase d [-1349.42/510.5] Rest-frame days since 2017 December 23 (MJD=58110.2) (time.phase)
  (2)q_mag (char) Quality for mag: "bad weather" (meta.code.qual)
  (3)e_EW 0.1nm (n) [0.014/27.2] Lower uncertainty on EW (stat.error;spect.line.eqWidth)
  (3)E_EW 0.1nm (n) [0.2/13.4] Upper uncertainty on EW (stat.error;stat.max)
  (3)e_Fx  (n) [0/24] Lower uncertainty on Fx (stat.error)
  (3)E_Fx  (n) [0.1/16.5] Upper uncertainty on Fx (stat.error;stat.max)
  (3)EW 0.1nm (n) [0.014/205] Equivalent width in Angstrom units (spect.line.eqWidth)
  (3)Fx  (n) [0.3/1298] 0.5-10keV X-ray flux (phot.flux;em.X-ray)
  (3)Line (char) Hα or Hβ (meta.id;spect.line)

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