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Morphology Study for GeV Emission of the Nearby Supernova Remnant G332.5-5.6

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arxiv 2403.05755 v1 pith:FPKI6BPX submitted 2024-03-09 astro-ph.HE

Morphology Study for GeV Emission of the Nearby Supernova Remnant G332.5-5.6

classification astro-ph.HE
keywords modeldiskg332gaussiannearbyremnantspatialsupernova
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Spatial template is important to study the nearby supernova remnant (SNR). For SNR G332.5-5.6, we report a gaussian disk with radius of about 1.06 degrees to be a potential good spatial model in the gamma-ray band. Employing this new gaussian disk, its GeV lightcurve shows a significant variability of about 7 sigma. The $\gamma$-ray observations of this SNR could be explained well either by a leptonic model or a hadronic model, in which a flat spectrum for the ejected electrons/protons.

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