crab_const.xml 1.01 KB
<?xml version="1.0" standalone="no"?>
<source_library title="source library">
  <source name="Crab" type="DiffuseSource">
    <spectrum type="PowerLaw">
      <parameter name="Prefactor" scale="1e-13" value="5.7"  min="1e-07" max="1000.0" free="1"/>
      <parameter name="Index"     scale="-1"    value="2.48" min="0.0"   max="+5.0"   free="1"/>
      <parameter name="Scale"     scale="1e6"   value="0.3"  min="0.01"  max="1000.0" free="0"/>
    </spectrum>
    <spatialModel type="ConstantValue">
      <parameter name="Value" scale="1" value="1" min="0.1" max="10" free="0"/>
    </spatialModel>
  </source>
  <source name="Background" type="CTAIrfBackground" instrument="CTA">
    <spectrum type="PowerLaw">
      <parameter name="Prefactor" scale="1.0" value="1.0" min="1e-3" max="1e3"    free="1"/>
      <parameter name="Index"     scale="1.0" value="0.0" min="-5.0" max="+5.0"   free="1"/>
      <parameter name="Scale"     scale="1e6" value="1.0" min="0.01" max="1000.0" free="0"/>
    </spectrum>
  </source>
</source_library>