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  GALEX/SDSS quasar catalog (Trammell+, 2007)
Post annotation
1.J/AJ/133/1780/table5Table for median SED ([spectrum]SED plot) (63 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)
  logW [0.1nm] Logarithmic rest frame wavelength in Angstroms (em.wl)
  logf [Hz] Logarithmic rest frame frequency (em.freq)
  RFlux  Flux relative to 2200 Angstroms flux (phot.flux;arith.ratio)
  e_RFlux  The rms uncertainty in RFlux (stat.error)

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 (i)indexed column
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usage  Display UCD1+    UCD1  
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