<source_library title="Example_Sources">

<source name="_3C279" flux="0.0347857778772">

<spectrum escale="MeV">
<particle name="gamma">
<power_law emin="20.0" emax="1000000.0" gamma="1.96"/>
</particle>
<celestial_dir ra="193.98" dec="-5.82"/>
</spectrum>

</source>

<source name="_3C273" flux="0.0195836352338">
<spectrum escale="MeV">
<particle name="gamma">
<power_law emin="20.0" emax="1000000.0" gamma="2.58"/>
</particle>

<celestial_dir ra="187.25" dec="2.17"/>
</spectrum>
</source>

<source name="Crab_Pulsar" flux="0.154">
<spectrum escale="MeV">
<particle name="gamma">

<power_law emin="20" emax="1000000." gamma="2.19" ebreak="1500"
gamma2="4.89"/>
</particle>
<celestial_dir ra="83.57" dec="22.01"/>
</spectrum>
</source>

<source name="Galactic_diffuse">

<spectrum escale="MeV">
<!-- Total photon flux from the map (#/m^2/s) = 18.58 (10MeV-655GeV)
Fits file (plate-carree only) =$FERMI_DIR/refdata/fermi/GP_gamma.fits
-->
<SpectrumClass name="MapCube" params="18.58,$FERMI_DIR/refdata/fermi/GP_gamma.fits"/>
<use_spectrum frame="galaxy"/>
</spectrum>
</source>

<source name="EGRET_Galactic_diffuse">
<spectrum escale="MeV">
<!-- Total photon flux from the map (#/m^2/s) = 26.56.
Photon spectral index = 2.1
Fits file (plate-carree only) =$FERMI_DIR/refdata/fermi/
EGRET_diffuse_gal.fits
Minimum photon energy (MeV) = 20.
Maximum photon energy (MeV) = 2e5
-->
<SpectrumClass name="MapSource" params="26.56,2.1,$FERMI_DIR/refdata/fermi/EGRET_diffuse_gal.fits,20.,2e5"/>
<use_spectrum frame="galaxy"/>
</spectrum>
</source>

<source name="Extragalactic_diffuse">
<spectrum escale="MeV">
<SpectrumClass name="Isotropic" params="10.7, 2.1, 20., 2e5"/>
<use_spectrum frame="galaxy"/>
</spectrum>
</source>

<source name="Standard_diffuse_components">
<nestedSource sourceRef="Galactic_diffuse" />
<nestedSource sourceRef="Extragalactic_diffuse" />
</source>
</source_library>