Hadronic gamma-ray emission from windy microquasars

Abstract

The jets of microquasars with high-mass stellar companions are exposed to the dense matter field of the stellar wind. We present estimates of the gamma-ray emission expected from the jet-wind hadronic interaction and we discuss the detectability of the phenomenon at high energies. The proposed mechanism could explain some of the unidentified gamma-ray sources detected by EGRET instrument on the galactic plane.

Accepted for publication in Astronomy and Astrophysics as a Letter to the Editor

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