VizieR

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VizieR

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/ApJ/590/109
  Gamma-ray blazar in northern sky (Sowards-Emmerd+, 2003)
ReadMe+ftp
2003ApJ...590..109S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/590/109/table1(c)Northern 3EG Objects (158 rows)
2.J/ApJ/590/109/notesIndividual notes on 3EG Objects (143 rows)
3.J/ApJ/590/109/table2(c)New 3EG Counterpart Candidates with Spectroscopic Identification (45 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned))
   (1+2)3EG (char) (i) The 3rd EGRET Catalog blazar source name
  (1)f_3EG (char) (i) [:] J1824+3440 modified into J1824+3441
  (1)n_3EG (char) (i) indicates that there is a note in notes.dat file
  (1)u_Names (char) (i) [ibl] Flag on Names (Note 1)   
  (1)S8.4GHz mJy (n)(i) The 8.4GHz flux density
  (1)SpIndex  (n)(i) Spectral index (Note 2)   
  (1+3)FoM  (n)(i) Figure of Merit (Note G1)   
  (1+3)z  (n)(i) Redshift
  (1+2)Note (char) (i) Association and/or redshift note (Note 3)   
  (1)MBlaz (char) (i) [±] Blazar probability from Mattox et al. (2001, Cat. J/ApJS/135/155) (Note 4)   

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)EBlaz (char) (i) [Aa] Blazar confidence from 3EG (Note 5)   
  (1+3)Class (char) (i) Classification (Note G2)   
  (1)3EGdata (char) (i) display all 3EG parameters (Cat. J/ApJS/123/79)
  (1)Simbad (char) (i) ask the Simbad data-base about this object
  (1)_RA deg Position of the 3EG source (from 3EG catalog) (right ascension part) ((unassigned);(unassigned))
  (1)_DE deg Position of the 3EG source (from 3EG catalog) (declination part) ((unassigned);(unassigned))
  (1)Names (char) (i) Object identifications
  (3)Name (char) (i) Object identification (JHHMM+DDMM)
  (3)RAJ2000 "h:m:s" Right ascension (J2000) ((unassigned);(unassigned))
  (3)DEJ2000 "d:m:s" Declination (J2000) ((unassigned);(unassigned))
  (3)R2mag mag (n)(i) USNO B1.0 R2 magnitude
  (3)B2mag mag (n)(i) USNO B1.0 B2 magnitude
  (3)u_z (char) (i) Uncertainty flag on z
  (3)n_z (char) (i) [*] indicates new redshifts (other archival ones)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
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If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR298160.err (2026-08-12T04:19:21)
-3
-source=J/ApJ/590/109
-ref=VIZ6a7bf44948cb0
elapse time 0
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