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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/218/23
  Fermi LAT third source catalog (3FGL) (Acero+, 2015)
ReadMe+ftp
2015ApJS..218...23A
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/218/23/table4LAT 4-year catalog (3034 unique 3FGL sources) (4984 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)
  3FGL (char) (i) The 3FGL name (1) (Note)   (meta.id;meta.main)
  Na  (n)Number of γ-ray association(s) for this 3FGL (meta.number)
  RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  GLON deg Galactic longitude (pos.galactic.lon)
  GLAT deg Galactic latitude (pos.galactic.lat)
  amaj deg (n) [0.005/1.1] 95% confidence error ellipse semimajor axis (phys.angSize.smajAxis;pos.errorEllipse)
  amin deg (n) [0.005/0.6] 95% confidence error ellipse semiminor axis (phys.angSize.sminAxis;pos.errorEllipse)
  phi deg (n) [-90/90] Position angle φ of error ellipse (East of North) (pos.posAng)
  Sig  (n) [4/1049] Significance (Note 2)   (stat.fit.goodness)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  F35 10-5/m2/s [0/1298] Photon flux summed over 3 bands 1-100GeV (10–9ph/cm2/s) (phot.count;em.gamma.hard)
  e_F35 10-5/m2/s(n) [0/3] The 1σ uncertainty in F35 (stat.error)
  S25 fW/m2 [1.7/8932] Energy flux for 100MeV-100GeV from power-law fit (10–12erg/s/cm2) (phot.flux.density;em.gamma.hard)
  e_S25 fW/m2 (n) [0.4/26] The 1σ uncertainty in S25 (stat.error)
  Gamma   [1.1/5.8] Photon power-law index Γ for 100MeV-100GeV (meta.code;spect.index)
  e_Gamma  (n) [0.01/1.1] 1σ uncertainty in Gamma (stat.error)
  Mod (char) Spectral model used to fit the energy spectrum (PL, EC or LP) (Note 3)   (instr.setup;meta.modelled)
  Var (char) [T] Variability flag, T=true (Note 4)   (meta.code;src.var)
  Flag (char) Analysis flag(s); see Table 3 (meta.code.error)
  Assoc (char) The γ-ray association (5) (Note)   (meta.id.assoc)
  TeV (char) [EP] Extended or Point-like source (Note 6)   (meta.code)
  Class (char) Astrophysical class of source (Note 7)   (src.class)
  ID (char) Designator of identified or associated source (8) (Note)   (meta.id.assoc)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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