VizieR

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

  
J/ApJS/247/16
  Extreme high-frequency-peaked BL Lac objects (Acciari+, 2020)
ReadMe+ftp
2020ApJS..247...16A
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spectrum
Post annotation 		img(gal)
1.J/ApJS/247/16/table7The Swift-XRT results for the 11 sources (319 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) Source identifier (meta.id;meta.main)
  MJD d Modified Julian Date of observation (time.epoch)
  obsid  Observation identifier (meta.id;obs.param;obs)
  Exp s [48/6905] Exposure time (time.duration;obs.exposure)
  GammaPL  (n) [1.3/2.4] Spectral index of power law-model (Note 1)   (spect.index)
  e_GammaPL  (n) [0.02/0.3] Uncertainty in GammaPL (stat.error)
  chi2PL  (n) [0.3/172] Power law-model χ2 (stat.fit.chi2)
  dofPL  (n) [2/172] Power law-model Degrees of Freedom (stat.fit.dof)
  GammaLP  (n) [1.3/2.1] Spectral index of log-parabola model (Note 1)   (spect.index)
  e_GammaLP  (n) [0.05/0.2] Uncertainty in GammaLP (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  betaLP  (n) [0.2/1] Curvature parameter of fitted log-parabola model (stat.param)
  e_betaLP  (n) [0.09/0.3] Uncertainty in betaLP (stat.error)
  chi2LP  (n) [7.5/109] log-parabola model χ2 (stat.fit.chi2)
  dofLP  (n) [18/114] log-parabola model Degrees of Freedom (stat.fit.dof)
  Prob % Null-hypotheses of probability of F-test (Note 2)   (stat)
  F2-10 10-15W/m2 [1.5/85] X-ray 2-10 keV flux density (Note 3)   (phot.flux;em.X-ray)
  e_F2-10 10-15W/m2 [0.1/14] Uncertainty in F2-10 (Note 3)   (stat.error)
  F0.3-10 10-15W/m2 [2.8/140] X-ray 0.3-10 keV flux density (Note 3)   (phot.flux;em.X-ray)
  e_F0.3-10 10-15W/m2 [0.1/13] Uncertainty in F0.3-10 (Note 3)   (stat.error)

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