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VizieR

  
J/A+A/637/A89
  QSO 2237+0305 photometry and light curves (Goicoechea+, 2020)
ReadMe+ftp
2020A&A...637A..89G
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Objects
timeSerie
Post annotation 		  
1.J/A+A/637/A89/table8Photometry in the I band [timeSerie](light curves)
timeSerie
(705 rows)

Simple ConstraintList Of Constraints
 
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)
  Date (char) Civil date_frame number (yymmdd_no) (time.epoch)
  MJD d Modified Julian Date (MJD-50000) (time.epoch)
  Texp s Exposure time (time.duration;obs.exposure)
  PSFfwhm arcsec Full width at half-maximum of the Point Spread Function (PSF) (spect.line.width)
  PSFellip  Ellipticity of the PSF (src.ellipticity)
  S/N  Signal-to-noise ratio (alpha star) (stat.snr)
  mA mag Magnitude of QSO 2237+0305A (phot.mag)
  mB mag (n) Magnitude of QSO 2237+0305B (phot.mag)
  mC mag (n) Magnitude of QSO 2237+0305C (phot.mag)
  mD mag (n) Magnitude of QSO 2237+0305D (phot.mag)
  mbeta mag Magnitude of the beta star (phot.mag)
  chi2/dof  Reduced chi-square value on the QSO subframe using IMFITFITS software (Note 1)   (stat.fit.chi2)
  Quality (char) [*] Poor-quality frames are marked with an asterisk (meta.code.qual)

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