VizieR

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VizieR

  
J/A+A/486/99
  Long-term spectral variability of NGC 4151 (Shapovalova+, 2008)
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1.J/A+A/486/99/fluxesObserved continuum, Hα, Hβ, Hγ and HeII{4686} fluxes, reduced to the 6m telescope aperture (2"x6"), with observation characteristics (tables 7 and 2 of paper) (220 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)
  JD d Julian date (time.epoch)
  F(cont) fW/m2/nm Continuum flux at 5117Å (2) (Note 1)   (phot.flux)
  e_F(cont) fW/m2/nm Estimated continuum flux error (Note 2)   (stat.error)
  F(Ha) fW/m2 (n) Hα total flux (Note 3)   (phot.flux;em.line.Halpha)
  e_F(Ha) fW/m2 (n) Hα flux error (1) (Note 3)   (stat.error)
  F(Hb) fW/m2 (n) Hβ total flux (Note 3)   (phot.flux;em.X-ray)
  e_F(Hb) fW/m2 (n) Hβ flux error (Note 3)   (stat.error)
  F(Hg) fW/m2 (n) Hγ total flux (1) (Note 3)   (phot.flux)
  e_F(Hg) fW/m2 (n) Hγ flux error (Note 3)   (stat.error)
  F(HeII) fW/m2 (n) HeIIλ4686Å total flux (1) (Note 3)   (phot.flux)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  e_F(HeII) fW/m2 (n) HeIIλ4686Å flux error (Note 3)   (stat.error)
  ObsDate "Y:M:D" (n)UT-date of the observation (obs.param;obs)
  Tel (char) Code assigned to each telescope+equipment (Note 1)   (meta.code;instr.tel)
  AperW arcsec The projected spectrograph entrance apertures (Slit Width) (instr.fov)
  AperL arcsec The projected spectrograph entrance apertures (along Slit) (instr.fov)
  lam1 0.1nm Lower wavelength of the spectral range (instr.bandwidth)
  lam2 0.1nm Upper wavelength of the spectral range (instr.bandwidth)
  Res 0.1nm Spectral resolution (spect.resolution)
  PA deg (n) Slit position angle (obs.param)
  Seeing arcsec (n) Mean seeing (instr.obsty.seeing;stat.mean)

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