ar X iv : a st ro - p h / 03 01 14 7 v 1 9 J an 2 00 3 Galactic Gamma - Ray Halo of the Nearby Starburst Galaxy NGC 253
نویسندگان
چکیده
Recently, the CANGAROO-II telescope detected diffuse TeV gamma-ray emission from a nearby edge-on starburst galaxy, NGC 253. The emission mechanism is discussed in this report. We review the emissions of radio-to-TeV gamma-rays from NGC 253, and present a model of the non-thermal emissions due to synchrotron radiations and inverse Compton scatterings. A halo model successfully explains the multiband spectrum of NGC 253.
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