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/ApJS/206/12
  Blazars with γ-ray counterparts. I. (D'Abrusco+, 2013)
ReadMe+ftp
2013ApJS..206...12D
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/206/12/table8(c)WISE Fermi blazar sample (WFB) (610 rows)
2.J/ApJS/206/12/table9(c)Fermi 2FGL blazar sample (2FB) (76 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
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)2FGL (char) 2FGL name of the γ-ray source associated (JHHMM.m+DDMM) (meta.id;meta.main)
   (ALL)WISE (char) WISE name of the candidate blazar (JHHMMSS.ss+DDMMSS.s) (meta.id.assoc)
   (ALL)OName (char) Alternative name in the litterature (ROMA-BZCAT name for table 8) (meta.id)
   (ALL)[3.4/4.6] mag WISE 3.4-3.6 um color index (c1) (phot.color;em.IR;em.IR)
   (ALL)e_[3.4/4.6] mag 3.4-3.6 color index uncertainty (stat.error)
   (ALL)[4.6/12] mag WISE 4.6-12 um color index (c2) (phot.color;em.IR;em.IR)
   (ALL)e_[4.6/12] mag 4.6-12 color index uncertainty (stat.error)
   (ALL)[12/22] mag WISE 12-22 um color index (c3) (phot.color;em.IR;em.IR)
   (ALL)e_[12/22] mag 12-22 color index uncertainty (stat.error)
   (ALL)Type (char) Classification of the candidate blazar according to our method (BZB=BL Lac object, BZQ=Flat Spectrum Radio Quasar) (src.class)

ALL cols		    
 (i)indexed column
   (ALL)Class (char) [ABC] Class of the candidate blazar according to our method (Note 1)   (meta.code.class)
   (ALL)Notes (char) Notes about available associations (Note 2)   (meta.note)
   (ALL)z  (n) [0.02/3.11] Redshift of the source (src.redshift)
   (ALL)Nbr  (n) Number of WISE sources in the background region (Note 3)   (meta.number)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref)
   (ALL)_RA deg (i) Positions from WISE names (right ascension part) (pos.eq.ra;meta.main)
   (ALL)_DE deg (i) Positions from WISE names (declination part) (pos.eq.dec;meta.main)
  (2)u_z (char) [?] Uncertainty flag on redshift (meta.code.error;src.redshift)
  (2)Flag (char) Reassociation flag (Note 4)   (meta.code.error)
  (2)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  (2)NED (char) ask the NED data-base about this object (meta.ref)

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