GammaLib

<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<source_library title="source library">

  <source name="OrionB" type="DiffuseSource">

    <spectrum type="PowerLaw2">

      <parameter name="Integral" value="1.78746" error="0" scale="1.38148e-15" min="0" max="1.78746e2" free="1" />

      <parameter name="Index" value="-2.73625" error="0" scale="1" min="-4" max="-1" free="1" />

      <parameter name="LowerLimit" value="1e+07" scale="1" min="100" max="1e+09" free="0" />

      <parameter name="UpperLimit" value="3.16228e+07" scale="1" min="100" max="1e+09" free="0" />

    </spectrum>

    <spatialModel type="SpatialMap" file="co_OriB.fits">

      <parameter name="Prefactor" value="1" scale="1" min="0.001" max="1000" free="0" />

    </spatialModel>

  </source>

  <source name="Background" type="RadialAcceptance" instrument="CTA">

    <spectrum type="FileFunction" file="bkg_kb_I_50h_v3.txt">

      <parameter name="Normalization" value="1" error="0" scale="1" min="0" max="1000" free="1" />

    </spectrum>

    <radialModel type="Gaussian">

      <parameter name="Sigma" value="3" error="0" scale="1" min="0.01" max="10" free="1" />

    </radialModel>

  </source>

</source_library>