Vol 24, No 4

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

Ming-Hong Luo, Qing-Wen Tang and Xiu-Rong Mo


A spatial template is important to study nearby supernova remnants (SNRs). For SNR G332.5-5.6, we report a Gaussian disk with a radius of about 106 to be a potential good spatial model in the γ-ray band. Employing this new Gaussian disk, its GeV lightcurve shows a significant variability of about seven sigma. The γ-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 is required.


Key words: ISM: supernova remnants – gamma-rays: ISM

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