shell.xml
1.45 KB
<?xml version="1.0" standalone="no"?>
<source_library title="source library">
<source name="CrabShell" type="ExtendedSource">
<spectrum type="PowerLaw">
<parameter name="Prefactor" scale="1e-16" 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="ShellFunction">
<parameter name="RA" scale="1.0" value="83.6331" min="-360" max="360" free="1"/>
<parameter name="DEC" scale="1.0" value="22.0145" min="-90" max="90" free="1"/>
<parameter name="Radius" scale="1.0" value="0.30" min="0.01" max="10" free="1"/>
<parameter name="Width" scale="1.0" value="0.10" min="0.01" max="10" free="1"/>
</spatialModel>
</source>
<source name="Background" type="RadialAcceptance" instrument="CTA">
<spectrum type="PowerLaw">
<parameter name="Prefactor" scale="1e-6" value="61.8" min="0.0" max="1000.0" free="1"/>
<parameter name="Index" scale="-1" value="1.85" min="0.0" max="+5.0" free="1"/>
<parameter name="Scale" scale="1e6" value="1.0" min="0.01" max="1000.0" free="0"/>
</spectrum>
<radialModel type="Gaussian">
<parameter name="Sigma" scale="1.0" value="3.0" min="0.01" max="10.0" free="1"/>
</radialModel>
</source>
</source_library>