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VizieR

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J/ApJ/761/125/table1 X and γ spectral indexes of Fermi blazars (Fan+, 2012)
Sample for blazars (451 rows)
  recno=322
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200015 34 47.2300 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+37 15 54.600 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195015 32 54.4026 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+37 25 50.997 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon059.8599210 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+54.2889139 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
322recno 322  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

1FGL   1FGL catalog name (191 in table 1) (meta.id.cross)
2FGLJ1535.4+3720  2FGL catalog name (191 in table 4) (meta.id.cross)
BZCATBZBJ1534+3715  BZCAT catalog name (see J/A+A/495/691) (<[MGL2009] {BZCAT}> in Simbad) (meta.id;meta.main)

S1  Samples: 2 for sources belonging to both samples: blazars (table1) and 1FGL (table4) (meta.ref.url)

ClI  Source classification (Note 1)   (src.class)
z 0.143   [0.01/3.3] Redshift (src.redshift)
Fgam 4.5 10-6/m2/s Integrated 1-100GeV γ-ray photon flux (Note 2)   (phot.flux.density;em.gamma.hard)
e_Fgam 1.1 10-6/m2/s Uncertainty in Fgam (stat.error)
Gam.g 2.15   [1.24/3] γ-ray photon spectral index Γγ (spect.index)
e_Gam.g 0.16   [0.01/0.7] Uncertainty in Gam.g (stat.error)
FX 2.65e-08 Jy X-ray flux density at 1keV (Note 3)   (phot.flux;em.X-ray)
e_FX 1.03e-08 Jy Uncertainty in FX (stat.error)
r_FXB97b  Reference for FX (Note 4)   (meta.ref;pos.frame)
Gam.X 2.840   [1/4.6] X-ray photon spectral index ΓX (spect.index)
e_Gam.X 1.480   [0.01/3.1] Uncertainty in Gam.X (stat.error)
alpha 0.821   [0.4/1.4] Effective spectral index α for the X-ray to the γ-ray bands (spect.index)

A10 0  Cross-match within 30" with Abdo et al., 2010 (J/ApJ/716/30) (meta.ref.url)
SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
NEDNED  ask the NED data-base about this object (meta.ref)
_RA233.69679 deg (i) Positions from SIMBAD database or from ASDC online catalog (www.asdc.asi.it/bzcat/) (right ascension part) (pos.eq.ra;meta.main)
_DE+37.26517 deg (i) Positions from SIMBAD database or from ASDC online catalog (www.asdc.asi.it/bzcat/) (declination part) (pos.eq.dec;meta.main)
  
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