crab.xml
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<?xml version="1.0" standalone="no"?>
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<source_library title="source library"> |
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<source name="Crab" type="PointSource"> |
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<spectrum type="PowerLaw"> |
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<parameter name="Prefactor" scale="1e-17" value="1.0" min="1e-07" max="1000.0" free="1"/> |
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<parameter name="Index" scale="-1" value="2.48" min="0.0" max="+5.0" free="1"/> |
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<parameter name="Scale" scale="1e6" value="1.0" min="0.01" max="1000.0" free="0"/> |
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</spectrum>
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<spatialModel type="SkyDirFunction"> |
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<parameter name="RA" scale="1.0" value="83.6331" min="-360" max="360" free="1"/> |
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<parameter name="DEC" scale="1.0" value="22.0145" min="-90" max="90" free="1"/> |
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</spatialModel>
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</source>
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<source name="Background" type="RadialAcceptance" instrument="HESS"> |
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<spectrum type="PowerLaw"> |
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<parameter name="Prefactor" scale="0.001" value="1.0" min="1e-07" max="1000.0" free="1"/> |
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<parameter name="Index" scale="-1" value="2.2" min="0.0" max="+5.0" free="1"/> |
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<parameter name="Scale" scale="1e6" value="1.0" min="0.01" max="1000.0" free="0"/> |
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</spectrum>
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<radialModel type="Gaussian"> |
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<parameter name="Sigma" scale="1.0" value="3.0" min="0.01" max="10.0" free="1"/> |
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</radialModel>
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</source>
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</source_library>
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