VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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J/A+A/369/758
  VRI photometry of BL Lac (1997-1999) (Fan+, 2001)
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1.J/A+A/369/758/table1Optical measurements of BL Lacertae in 1997-1999 (369 rows)

 
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)
  HJD d Heliocentric Julian date (time.epoch)
  Vmag mag (n) V magnitude (phot.mag;em.opt.V)
  e_Vmag mag (n) rms uncertainty in Vmag (stat.error)
  Rmag mag (n) R magnitude (phot.mag;em.opt.R)
  e_Rmag mag (n) rms uncertainty in Rmag (stat.error)
  Imag mag (n) I magnitude (phot.mag;em.opt.I)
  e_Imag mag (n) rms uncertainty in Imag (stat.error)

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