VizieR

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VizieR

  
J/ApJ/831/102
  Swift and NuSTAR obs. of the BL Lac Mrk 421 (Kapanadze+, 2016)
Post annotation
  
1.J/ApJ/831/102/table3Summary of intra-day X-ray variabilities (IDVs) from the XRT and NuSTAR observations (47 rows)

 
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)
  Fac (char) Facility identifier (NuSTAR or XRT) (meta.id;instr)
  obsID (char) Observation identifier (meta.id;obs.param;obs)
  Dur h [0.4/23.5] Observed duration (time.duration)
  chi2   [1/460] Reduced Χ2 of fit (stat.fit.chi2)
  DOF   [4/392] Degrees of Freedom in fit (stat.fit.dof)
  Bin s [30/120] Bin width (time.interval)
  Fvar % [1/47.5] Fraction rms variability amplitude (stat.stdev;src.var.amplitude;arith.ratio)
  e_Fvar % [0.06/5.2] Uncertainty in Fvar (stat.error)
  Dela1  (n) [1.6/3.2] Range of photon index at 1keV; first orbit (spect.index)
  e_Dela1  (n) [0.01/0.2] Uncertainty in Dela1 (stat.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  Dela2  (n) [0.2/3.1] Range of photon index at 1keV; second orbit (spect.index)
  e_Dela2  (n) [0.01/0.05] Uncertainty in Dela2 (stat.error)
  Delb1  (n) [-0.3/0.5] Curvature parameter; first orbit (stat.fit.param)
  e_Delb1  (n) [0.01/0.2] Uncertainty in Delb1 (stat.error)
  Delb2  (n) [0.1/0.6] Curvature parameter; second orbit (stat.fit.param)
  e_Delb2  (n) [0.02/0.2] Uncertainty in Delb2 (stat.error)
  DelEp1 keV (n) [0.001/10] Position of synchrotron SED; first orbit (stat.fit.param)
  e_DelEp1 keV (n) [0.002/2.2] Uncertainty in DelEp1 (stat.error)
  DelEp2 keV (n) [0.04/10] Position of synchrotron SED; second orbit (stat.fit.param)
  e_DelEp2 keV (n) [0.01/2.4] Uncertainty in DelEp2 (stat.error)

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