VizieR

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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/ApJS/248/23
  4FGL sources with IR/Rad associations (de Menezes+, 2020)
ReadMe+ftp
2020ApJS..248...23D
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/248/23/tablea1Blazar candidates of an uncertain type (BCUs) associated by the likelihood ratio (LR) method based only on spectral parameters (283 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)
  4FGL (char) The 4FGL identifier (JHHMM.m+DDMM) (meta.id;meta.main)
  WISEA (char) The WISE counterpart identifier (JHHMMSS.ss+DDMMSS.s; WIBRaLS sources from D'Abrusco+, 2019, J/ApJS/242/4) (meta.id.assoc)
  f_WISEA (char) Flag on WISEA (Note 1)   (meta.code)
  LR   [0.85/1] Association probability by LR method from this work (Note 2)   (stat.fit.goodness)
  RF   [0.08/1] Association probability by random forest method from this work (see Section 5) (stat.fit.goodness)
  Bay  (n) [0/1] Association probability by Bayesian method used in 4FGL (stat.fit.goodness)
  LR4FGL   [0/1] Association probability by LR method used in 4FGL (stat.fit.goodness)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA deg (i) Positions from the 4FGL catalog (Abdollahi+, 2020, J/ApJS/247/33) (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from the 4FGL catalog (Abdollahi+, 2020, J/ApJS/247/33) (declination part) (pos.eq.dec;meta.main)

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