--------------------------- fit_line ---------------------------

   Data set: Capella(1318), Mkn 421(457), and Sim_1318; hist_index = 1

   Fit around: 15 A   (0.826567 keV)

Using count data
  Variable parameters = 3
            Data bins = 24
  Best fit chi-square =  3.3447e+01
Normalized chi-square =  1.5927e+00
Using count data
marquardt:  Too many iterations:  no decrease in chi-square

  ROI CORE counts: 3230.53

  Parameters for the CORE fit:

gauss(1)+poly(1)
 idx      param             tie-to  freeze         value          min          max
  1  gauss[1].area               0     0     2.1020728e+03    3.231e+02    3.231e+04
  2  gauss[1].center             0     0     1.5000407e+01    1.489e+01    1.511e+01
  3  gauss[1].sigma              0     0     1.0168586e-02    1.532e-03    3.830e-02
  4  poly[1].a0                  0     1     0.0000000e+00    0.000e+00    3.231e+04
  5  poly[1].a1                  0     1     0.0000000e+00   -1.000e+00    1.000e+00
  6  poly[1].a2                  0     1     0.0000000e+00   -1.000e+00    1.000e+00

  E/dE for the CORE fit = 627.733
   ( 570.184 to 682.452, 90 percent confidence )

Using count data
  Variable parameters = 2
            Data bins = 140
  Best fit chi-square =  1.5452e+02
Normalized chi-square =  1.1197e+00

  ROI WING counts: 1393.34

  Parameters for the WINGS fit:

lorentz(1)
 idx      param             tie-to  freeze         value          min          max
  1  lorentz[1].area             0     0     6.9337094e+03    4.180e+02    4.180e+04
  2  lorentz[1].center           0     1     1.5000407e+01    1.489e+01    1.511e+01
  3  lorentz[1].fwhm             0     0     3.1789305e-02    3.600e-03    9.000e-02