Journal
ASTROPHYSICAL JOURNAL
Volume 632, Issue 2, Pages 1093-1098Publisher
IOP PUBLISHING LTD
DOI: 10.1086/444446
Keywords
gamma rays : observations; gamma rays : theory; stars : individual (LSI+61 303); X-rays : binaries
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We present a hadronic model for gamma-ray production in the microquasar LSI + 61 303. The system is formed by a neutron star that accretes matter from the dense and slow equatorial wind of the Be primary star. We calculate the gamma-ray emission originating from pp interactions between relativistic protons in the jet and cold protons from the wind. After taking into account opacity effects on the gamma rays introduced by the different photon fields, we present high-energy spectral predictions that can be tested with the new-generation Cerenkov telescope MAGIC.
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