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Catalog

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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/622/A11
  LoTSS/HETDEX. Optical quasars. I. (Guerkan+, 2019)
Post annotation
img(gal)
1.J/A+A/622/A11/catalogMeasured properties of SDSS quasars (49925 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)
  SDSS (char) SDSS name (HHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  iMAG mag SDSS i-band magnitude (z=2 k-corrected) (phot.mag;em.opt.I)
  LOFAR (char) Unique LOFAR name (ILTJHHMMSS.ss+DDMMSS.s) (Note 1)   (meta.id)
  F150 Jy LOFAR 144 MHz flux density (phot.flux.density;em.radio.100-200MHz)
  e_F150 Jy Error on LOFAR 144 MHz flux density (stat.error)
  F100 Jy (n) Herschel 100micron flux density (Note 2)   (phot.flux.density;em.IR.60-100um)
  e_F100 Jy (n) Error on Herschel 100micron flux density (stat.error)
  F160 Jy (n) Herschel 160micron flux density (Note 2)   (phot.flux.density;em.mm.1500-3000GHz)
  e_F160 Jy (n) Error on Herschel 160micron flux density (stat.error)
  F250 Jy (n) Herschel 250micron flux density (Note 2)   (phot.flux.density;em.mm.750-1500GHz)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  e_F250 Jy (n) Error on Herschel 250micron flux density (stat.error)
  F350 Jy (n) Herschel 350micron flux density (Note 2)   (phot.flux.density;em.mm.750-1500GHz)
  e_F350 Jy (n) Error on Herschel 350micron flux density (stat.error)
  F500 Jy (n) Herschel 500micron flux density (Note 2)   (phot.flux.density;em.mm.400-750GHz)
  e_F500 Jy (n) Error on Herschel 500micron flux density (stat.error)
  RL  Radio loudness parameter (phot.flux;arith.ratio)
  BHmass Msun (n) Black hole mass (Note 3)   (phys.mass)
  Eddratio  (n) Eddington ratio (phys.luminosity;arith.ratio)
  SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  _RA deg (i) Positions from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from SDSS name (declination part) (pos.eq.dec;meta.main)

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