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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 identification of EGRET sources (Mattox+ 1997)
Post annotation
1.J/ApJ/481/95/table1(c)Potential radio identifications of sources in the second EGRET catalog (154 rows)
The column 2EG provides a direct link to 2EG data
2.J/ApJ/481/95/table2(c)Potential radio identifications of EGRET sources in the supplement to the second EGRET catalog (60 rows)
Help Xmatch is

Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)2EG (char) J2000 position name of the EGRET source (;meta.main)
   (ALL)n_2EG (char) [cfj] Note (Note 1)   (meta.note)
   (ALL)GLON deg Galactic longitude (pos.galactic.lon)
   (ALL)GLAT deg Galactic latitude (
   (ALL)n_GLAT (char) [km] Note on GLAT (Note 2)   (meta.note)
   (ALL)VI  (n) Variability index (Note 3)   (meta.code;src.var.index)
   (ALL)ID (char) EGRET catalogue identification (OtherName in EGRET catalog description) (
   (ALL)u_ID (char) [?] ?: lower confidence level, else high-confidence level (meta.code.error)
   (ALL)RadioID (char) Possible radio counterpart (Note 4)   (
   (ALL)n_RadioID (char) [abdginxy] Note (Note 5)   (meta.note)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)Names (char) Other name of counterpart (
   (ALL)n_Names (char) [hlew] Note (Note 6)   (meta.note)
   (ALL)S5GHz mJy (n) Density flux at 4.85GHz (phot.flux.density;
   (ALL)SI  (n) Radio spectral index (spect.index;
   (ALL)r0 arcmin (n) Characteristic angle between confusing sources that are at least as bright and flat as this radio source (phys.angSize;src)
   (ALL)eta  (n) a priori probability η = p(id) that the source is a γ-ray source (
   (ALL)r arcmin (n) Angle between the EGRET position estimate and the radio position (pos.angDistance)
   (ALL)r95 arcmin (n) Radius of the 95% confidence contour in the direction of the radio source (phys.angSize)
   (ALL)Contour % (n) Position contour at the radio position (pos;arith.ratio)
   (ALL)LR  (n) Likelihood ratio indicating the strength of the indication for the determination (stat.likelihood;phys.atmol.collStrength;arith.ratio)
   (ALL)p(id/r)  (n) a posteriori probability that the identification is correct (;stat.probability)
   (ALL)_RA.icrs deg (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
   (ALL)_DE.icrs deg (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

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