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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/135/155
  Radio identification of 3EG EGRET sources (Mattox+, 2001)
ReadMe+ftp
2001ApJS..135..155M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/135/155/table3Plausible EGRET Identifications (39 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)
  RName (char) Radio name, as in table1. (meta.id.cross)
  Name (char) Radio source name, based on 1950 position (meta.id;meta.main)
  f_Name (char) [gh] Flag on Name (Note 2)   (meta.code.error)
  NED  ask the NED data-base about this object (meta.ref)
  Omag mag (n) Optical magnitude from NED (phot.mag;em.opt.V)
  RAJ2000 "h:m:s" (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  S4.85GHz mJy Flux density at 4.85GHz from catalog of Becker et al., VIII/13 (phot.flux.density;em.radio.3-6GHz)
  Sp+Index  (n) Radio spectral index (Note 3)   (spect.index)
  Prob  The a posteriori probability of a correct identification (eq. 4). (stat.fit.goodness)
  f_Prob (char) [f] Flag on Prob (Note 4)   (meta.code.error)
  Morph (char) The ``Morphological Type'' from NED (src.morph.type)
  f_Morph (char) [aA] Flag on Morph (Note 5)   (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: Insert into METAhit (catid, hstid, btime, etime, Ncalls, N2list) VALUES (21350155,4,807348600,807403844, 1,0)
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERREUR:  la valeur d'une clé dupliquée rompt la contrainte unique « metahit_p
****key » DETAIL:  La clé « (catid, hstid, btime)=(21350155, 4, 807348600) » exi
****ste déjà. 
****ERREUR:  la valeur d'une clé dupliquée rompt la contrainte unique « metahit_p
****key » DETAIL:  La clé « (catid, hstid, btime)=(21350155, 4, 807348600) » exi
****ste déjà.
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR3288232.err (2025-08-01T22:50:44)
-3
-source=J/ApJS/135/155/table3
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