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J/ApJ/858/68
  Swift obs. of Mrk 421 in selected epochs. II. (Kapanadze+, 2018)
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1.J/ApJ/858/68/table1Summary of the XRT and UVOT observations in 2009 January - 2012 December [timeSerie] (UVOT and XRT plots)
timeSerie
(370 rows)
2.J/ApJ/858/68/table2Results of the spectral analysis with the log-parabolic model (850 rows)
3.J/ApJ/858/68/table5The results of the XRT spectral analysis with a simple power-law model (61 rows)
4.J/ApJ/858/68/table7Summary of the 0.3-10keV intraday-variabilities (IDVs) in 2009 February - 2012 April (129 rows)

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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)obsID  Observation identifier (meta.id;obs.param;obs)
  (1)start s (n)UTC date of observation start, YYYY-MM-DD (time.start;obs)
  (1)end s (n)UTC date of observation end, YYYY-MM-DD (time.end;obs)
  (1)Exp s [35/4363] Exposure time (time.duration;obs.exposure)
  (1)XRT ct/s (n) [1.8/115] Observation-binned 0.3-10keV count rate (phot.count;em.X-ray)
  (1)e_XRT ct/s (n) [0.04/1.3] Uncertainty in XRT (stat.error)
  (1)uvw1mag mag (n) [10.6/12.5] De-reddened Swift/UVOT uvw1 band magnitude (phot.mag;em.UV)
  (1)e_uvw1mag mag (n) [0.02/0.06] Uncertainty in uvw1mag (stat.error;phot.mag)
  (1)Fuvw1 mJy (n) [9/47.4] De-reddened Swift/UVOT uvw1 band flux density (phot.flux;em.UV)
  (1)e_Fuvw1 mJy (n) [0.07/1.5] Uncertainty in Fuvw1 (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)uvm2mag mag (n) [11/13] De-reddened Swift/UVOT uvm2 band magnitude (phot.mag;em.UV)
  (1)e_uvm2mag mag (n) [0.03/0.05] Uncertainty in uvm2mag (stat.error;phot.mag)
  (1)Fuvm2 mJy (n) [5/29.4] De-reddened Swift/UVOT uvm2 band flux density (phot.flux;em.UV)
  (1)e_Fuvm2 mJy (n) [0.01/0.7] Uncertainty in Fuvm2 (stat.error)
  (1)uvw2mag mag (n) [10.6/12.5] De-reddened Swift/UVOT uvw2 band magnitude (phot.mag;em.UV)
  (1)e_uvw2mag mag (n) [0.03/0.06] Uncertainty in uvw2mag (stat.error;phot.mag)
  (1)Fuvw2 mJy (n) [6.2/40.2] De-reddened Swift/UVOT uvw2 band flux density (phot.flux;em.UV)
  (1)e_Fuvw2 mJy (n) [0.1/1] Uncertainty in Fuvw2 (stat.error)
  (1)JD (char) d Start date converted to Julian Date by CDS (time.epoch)
   (ALL)All (char) Display all data for this ObsID (meta.ref.url)
  (2+3+4)ORS (char) Orbit/Segment code for model fit (Note G1)   (meta.id;obs)
  (2)a   [1.5/3.1] Model parameter, photon index at the energy E1 (meta.code;stat.param;meta.modelled)
  (2)e_a   [0.01/0.1] Uncertainty in a (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)b   [0.08/0.7] Model parameter, curvature parameter (stat.param;meta.modelled)
  (2)e_b   [0.03/0.2] Uncertainty in b (stat.error)
  (2)Ep keV [0.002/15.2] Model parameter, position of the SED peak (stat.param;meta.modelled;stat.max)
  (2)e_Ep keV [0.001/1.6] Uncertainty in Ep (stat.error)
  (2)10K   [0.01/9.2] Model parameter, normalization factor, x10 (stat.param)
  (2)e_10K   [0.001/0.02] Uncertainty in K (stat.error)
  (2+3+4)chi2   [0.8/2.3] Reduced χ^2 parameter (stat.param)
  (2+3+4)DOF   [14/332] Fit degrees of freedom (stat.fit.dof)
  (2+3)logFS [mW/m2] [-10.4/-8.6] Log unabsorbed 0.3-2 keV Flux (phot.flux;em.X-ray.soft)
  (2+3)e_logFS [mW/m2] [0.003/0.02] Uncertainty in logFS (stat.error)
  (2+3)logFH [mW/m2] [-11.3/-8.5] Log unabsorbed 2-10 keV Flux (phot.flux;em.X-ray.hard)
  (2+3)e_logFH [mW/m2] [0.007/0.2] Uncertainty in logFH (stat.error)
  (2+3)logFT [mW/m2] [-10.4/-8.3] Log unabsorbed 0.3-10 keV Flux (phot.flux;em.X-ray)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3)e_logFT [mW/m2] [0.004/0.03] Uncertainty in logFH (stat.error)
  (2+3)HR   [0.04/1.5] Hardness ratio (Note G2)   (phot.flux;arith.ratio)
  (2+3)e_HR   [0.003/0.07] Uncertainty in HR (stat.error)
  (3)Gamma   [1.7/3] Photon index in PL model (meta.code;spect.index;meta.modelled)
  (3)e_Gamma   [0.01/0.05] Uncertainty in Gamma (stat.error)
  (3)K   [0.01/0.6] Normalization (stat.fit.param)
  (3)e_K   [0.001/0.007] Uncertainty in K (stat.error)
  (4)obsID2  (n) Second observation identifier (Note 1)   (meta.id;obs)
  (4)UTDate1 "Y:M:D" (n)UT Date of observation 1, YYYY-MM-DD (Note 2)   (time.epoch;obs)
  (4)UTDate2 "Y:M:D" (n)UT Date of observation 2, YYYY-MM-DD (Note 2)   (time.epoch)
  (4)Exp h [0.07/24] Total length of the particular observation (Note 2)   (time.expo)
  (4)Fvar % (n) [2/63.4] Fractional variability amplitude (src.var.amplitude)
  (4)e_Fvar % (n) [0.2/2.7] Uncertainty in Fvar (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)Param-Min  (n) [1.5/2.9] LP/PL model Param minimum (Note 3)   (stat.param;meta.modelled;stat.min)
  (4)e_Param-Min  (n) [0.01/0.05] Uncertainty in e_Param-Min (Note 3)   (stat.error)
  (4)Param-Max  (n) [1.6/3] LP/PL model Param maximum (Note 3)   (stat.param;meta.modelled;stat.max)
  (4)e_Param-Max  (n) [0.01/0.05] Uncertainty in e_Param-Max (Note 3)   (stat.error)
  (4)Param (char) Param designation (Note 3)   (meta.note)
  (4)b-min  (n) [0.08/0.6] Min curvature parameter in LP model (stat.param;meta.modelled;stat.min)
  (4)e_b-min  (n) [0.03/0.2] Uncertainty in b-min (stat.error)
  (4)b-max  (n) [0.1/0.7] Max curvature parameter in LP model (stat.param;meta.modelled;stat.max)
  (4)e_b-max  (n) [0.03/0.2] Uncertainty in b-max (stat.error)
  (4)Ep-min keV (n) [0.002/7] Minimum position of the SED peak in LP model (pos;stat.max;stat.min)
  (4)e_Ep-min keV (n) [0.001/0.7] Uncertainty in Ep-min (stat.error)
  (4)Ep-max keV (n) [0.03/15.2] Max position of the SED peak in LP model (stat.param)
  (4)e_Ep-max keV (n) [0.01/1.6] Uncertainty in Ep-max (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)HR-min  (n) [0.1/1.4] Minimum hardness ratio (phot.flux;stat.min)
  (4)e_HR-min  (n) [0.004/0.04] Uncertainty in HR-min (stat.error)
  (4)HR-max  (n) [0.1/1.5] Maximum hardness ratio (phot.flux;stat.max)
  (4)e_HR-max  (n) [0.009/0.06] Uncertainty in HR-max (stat.error)

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