VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

  
J/ApJS/247/16
  Extreme high-frequency-peaked BL Lac objects (Acciari+, 2020)
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2020ApJS..247...16A
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spectrum
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1.J/ApJS/247/16/fermiMain spectral parameters resulting from the analysis of Swift-XRT and Fermi-LAT data (Table 4) and parameters from the 3FGL, 2FHL, and 3FHL catalogs (Table 6) (11 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)
  Name (char) Target name (meta.id;meta.main)
  n_Name (char) [b] Note on name (Note 1)   (meta.note)
  MJDx d [55648/57784] Swift-XRT observation date (time.epoch)
  F2-10keV 10-15W/m2 [1.6/47.4] Swift-XRT X-ray flux in the 2-10keV energy range (phot.flux;em.X-ray)
  e_F2-10keV 10-15W/m2 [0.1/1.4] Fxrt uncertainty (stat.error)
  GammaX   [1.63/2.18] Spectral index of X-ray spectrum (spect.index)
  e_GammaX   [0.02/0.2] GammaX uncertainty (stat.error)
  chi2   [9.5/171.2] Fit χ2 (stat.fit.param;meta.modelled)
  dof   [14/172] Degree of freedom (stat.fit.dof)
  MJDSt d (n) [54682/57388] Fermi-LAT start date of observation (time.epoch)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  MJDEnd d (n) [56292/58318] Fermi-LAT end date of observation (time.epoch)
  F1-300GeV 10-10cm-2/s(n) [1.4/6.7] Fermi-LAT gamma-ray flux in the range of 1-300GeV (phot.flux.density;em.gamma.hard)
  e_F1-300GeV 10-10cm-2/s(n) [0.6/1.7] Ffermi uncertainty (stat.error)
  GammaR  (n) [1.4/2] Spectral index of the HE gamma-ray spectrum (spect.index)
  e_GammaR  (n) [0.2/0.2] GammaR uncertainty (stat.error)
  TS   [23/94] Likelihood test statistics (TS) of the fitted model (Note 2)   (stat.likelihood)
  F1-100GeV 10-10ph/cm2/s(n) [1.8/6.6] 3FGL gamma-ray flux in 1-100 GeV energy range (phot.flux.density;em.gamma.hard)
  e_F1-100GeV 10-10ph/cm2/s(n) [0.1/1] F3FGL uncertainty (stat.error)
  Gam3FGL  (n) [1.4/2.1] Spectral index for the power-law fit in 100MeV-100GeV (spect.index)
  e_Gam3FGL  (n) [0.08/0.3] Gam3FGL uncertainty (stat.error)
  Sig  (n) [5.1/16.7] the detection significance reported by 3FGL (Acero+ 2015, J/ApJS/218/23) (stat.fit.goodness;instr.saturation)
  Gam3FHL  (n) [1.5/2.1] Spectral index for the power-law fit >10GeV reported in 3FHL (Ajello+ 2017, J/ApJS/232/18) (spect.index)
  e_Gam3FHL  (n) [0.1/0.4] Gam3FHL uncertainty (stat.error)
  Gam2FHL  (n) [1.09/3.6] Spectral index for the power-law fit >50GeV reported in 2FHL (Ackermann+ 2016, J/ApJS/222/5) (spect.index)
  e_Gam2FHL  (n) [0.4/1.4] Gam2FHL uncertainty (stat.error)

ALL cols		    
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