Excerpts from XSPEC related to FeXVII_15014 Angstorm line.

1. Fixed Gaussian

  Model:  lgauss<1> + powerlaw<2>
  Model Fit Model Component  Parameter  Unit     Value
  par   par comp
    1    1    1   lgauss     waveleng A          15.0140     frozen
    2    2    1   lgauss     sigma    A         4.719171E-02 +/-  0.801892E-01
    3    3    1   lgauss     norm               9.549750E-05 +/-  0.741718E-04
    4    4    2   powerlaw   PhoIndex            2.00000     frozen
    5    5    2   powerlaw   norm               1.350770E-03 +/-  0.156781E-02
  ---------------------------------------------------------------------------
  ---------------------------------------------------------------------------
 C-statistic =      170.3987     using   150 PHA bins.
 Akaike Information Criterion =      478.0638
 Bayesian Information Criterion =      489.4061
XSPEC>goodness 1000
 59.80% of realizations have a fit statistic <      170.4

---------------

2. Free Gaussian (after many trials...)


  Model:  lgauss<1> + powerlaw<2>
  Model Fit Model Component  Parameter  Unit     Value
  par   par comp
    1    1    1   lgauss     waveleng A          15.0121     +/-  0.734415E-02
    2    2    1   lgauss     sigma    A         4.132568E-02 +/-  0.850175E-02
    3    3    1   lgauss     norm               7.587920E-05 frozen
    4    4    2   powerlaw   PhoIndex            2.00000     frozen
    5    5    2   powerlaw   norm               2.010286E-03 +/-  0.394185E-03
  ---------------------------------------------------------------------------
  ---------------------------------------------------------------------------
 C-statistic =      171.3216     using   150 PHA bins.
 Akaike Information Criterion =      478.9868
 Bayesian Information Criterion =      490.3290
XSPEC>goodness 1000
 61.40% of realizations have a fit statistic <      171.3


3. Windprof

 Model:  windprof<1> + powerlaw<2>
  Model Fit Model Component  Parameter  Unit     Value
  par   par comp
    1    1    1   windprof   q                 -0.620966     +/-  0.160510
    2    2    1   windprof   taustar            3.213492E-02 +/-  0.159875
    3    3    1   windprof   umax               0.761964     +/-  0.425920E-01
    4    4    1   windprof   velocity km/s       2450.00     frozen
    5    5    1   windprof   beta                1.00000     frozen
    6    6    1   windprof   waveleng A          15.0140     frozen
    7    7    1   windprof   verbose             0.00000     frozen
    8    8    1   windprof   norm               9.098736E-05 +/-  0.176469E-04
    9    9    2   powerlaw   PhoIndex            2.00000     frozen
   10   10    2   powerlaw   norm               1.513358E-03 +/-  0.453036E-03
  ---------------------------------------------------------------------------
  ---------------------------------------------------------------------------
 C-statistic =      164.9051     using   150 PHA bins.
 Akaike Information Criterion =      476.5702
 Bayesian Information Criterion =      495.4739
XSPEC>goodness 1000
 51.70% of realizations have a fit statistic <      164.9