crab_nodes.xml
1.69 KB
<?xml version="1.0" standalone="no"?>
<source_library title="source library">
<source name="Crab" type="PointSource">
<spectrum type="NodeFunction">
<node>
<parameter scale="1.0e5" name="Energy" min="0.1" max="1.0e20" value="1.0" free="0"/>
<parameter scale="1e-15" name="Intensity" min="1e-07" max="1000.0" value="2.0" free="1"/>
</node>
<node>
<parameter scale="1.0e6" name="Energy" min="0.1" max="1.0e20" value="1.0" free="0"/>
<parameter scale="1e-17" name="Intensity" min="1e-07" max="1000.0" value="4.0" free="1"/>
</node>
<node>
<parameter scale="1.0e7" name="Energy" min="0.1" max="1.0e20" value="1.0" free="0"/>
<parameter scale="1e-19" name="Intensity" min="1e-07" max="1000.0" value="2.0" free="1"/>
</node>
<node>
<parameter scale="1.0e8" name="Energy" min="0.1" max="1.0e20" value="1.0" free="0"/>
<parameter scale="1e-22" name="Intensity" min="1e-07" max="1000.0" value="8.0" free="1"/>
</node>
</spectrum>
<spatialModel type="PointSource">
<parameter name="RA" scale="1.0" value="83.6331" min="-360" max="360" free="0"/>
<parameter name="DEC" scale="1.0" value="22.0145" min="-90" max="90" 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="PivotEnergy" scale="1e6" value="1.0" min="0.01" max="1000.0" free="0"/>
</spectrum>
</source>
</source_library>