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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

  Radio follow-up on 3FGL unassociated sources (Schinzel+, 2017)
Post annotation
1.J/ApJ/838/139/table3Associations of 3FGL objects with compact radio sources (291 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)
  3FGL (char) 3FGL name of the gamma-ray source (JHHMM.m+DDMM) (;meta.main)
  RFC (char) IAU name of the radio source (JHHMM+DDMM) (Note G2)   (
  RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  eRA mas [0.1/757] Uncertainty in right ascension of the VLBI position without cos(DE) factor (stat.error)
  eDE mas [0.1/999.99] Uncertainty in declination of the VLBI position (stat.error)
  Cor   [-1/1] Correlation between right ascension and declination VLBI position estimates (stat.correlation)
  Sep arcmin [0.06/12.1] Distance between gamma-ray and radio source (pos.angDistance)
  NSep   [0.06/3] Distance between gamma-ray and radio source normalized by its uncertainty (meta.note)
  S8GHz mJy [6/1329] Total VLBI flux density at 8GHz (phot.flux.density;
  LR   [8/41460] The likelihood ratio of radio-gamma association (stat.likelihood;arith.ratio)
  Assoc (char) Association reported in the 3FGL source catalogue (

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