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/761/125
  X and γ spectral indexes of Fermi blazars (Fan+, 2012)
Post annotation
img(gal)
1.J/ApJ/761/125/table1(c)Sample for blazars (451 rows)
2.J/ApJ/761/125/table4(c)*Sample of 1FGL for blazars (Note) (289 rows)
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Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
   (ALL)1FGL (char) 1FGL catalog name (191 in table 1) (meta.id.cross)
   (ALL)2FGL (char) 2FGL catalog name (191 in table 4) (meta.id.cross)
   (ALL)A10  (n)Cross-match within 30" with Abdo et al., 2010 (J/ApJ/716/30) (meta.ref.url)
   (ALL)alpha   [0.4/1.4] Effective spectral index α for the X-ray to the γ-ray bands (spect.index)
   (ALL)BZCAT (char) BZCAT catalog name (see J/A+A/495/691) (<[MGL2009] {BZCAT}> in Simbad) (meta.id;meta.main)
   (ALL)Cl (char) Source classification (Note 1)   (src.class)
   (ALL)_DE deg (i) Positions from SIMBAD database or from ASDC online catalog (www.asdc.asi.it/bzcat/) (declination part) (pos.eq.dec;meta.main)
   (ALL)e_Fgam 10-6/m2/s(n) Uncertainty in Fgam (stat.error)
   (ALL)e_FX Jy (n) Uncertainty in FX (stat.error)
   (ALL)e_Gam.g   [0.01/0.7] Uncertainty in Gam.g (stat.error)
   (ALL)e_Gam.X  (n) [0.01/3.1] Uncertainty in Gam.X (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
   (ALL)Fgam 10-6/m2/sIntegrated 1-100GeV γ-ray photon flux (Note 2)   (phot.flux.density;em.gamma.hard)
   (ALL)FX Jy (n) X-ray flux density at 1keV (Note 3)   (phot.flux;em.X-ray)
   (ALL)Gam.g   [1.24/3] γ-ray photon spectral index Γγ (spect.index)
   (ALL)Gam.X  (n) [1/4.6] X-ray photon spectral index ΓX (spect.index)
   (ALL)NED (char) ask the NED data-base about this object (meta.ref)
   (ALL)_RA deg (i) Positions from SIMBAD database or from ASDC online catalog (www.asdc.asi.it/bzcat/) (right ascension part) (pos.eq.ra;meta.main)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)r_FX (char) Reference for FX (Note 4)   (meta.ref;pos.frame)
   (ALL)S  (n)Samples: 2 for sources belonging to both samples: blazars (table1) and 1FGL (table4) (meta.ref.url)
   (ALL)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
   (ALL)z  (n) [0.01/3.3] Redshift (src.redshift)

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