Volume 410, Number 2, November I 2003
|Page(s)||L1 - L4|
|Published online||17 November 2003|
Letter to the Editor
Hadronic gamma-ray emission from windy microquasars
Instituto Argentino de Radioastronomía, CC 5, (1894) Villa Elisa, Buenos Aires, Argentina
2 Lawrence Livermore National Laboratory, 7000 East Avenue, L-413, Livermore, CA 94550, USA
3 CEA/DSM/DAPNIA/Service d'Astrophysique, Centre d'Études de Saclay, 91191 Gif-sur-Yvette, France
4 Instituto de Astronomía y Física del Espacio/CONICET, CC 67, Suc. 28, Buenos Aires, Argentina
Corresponding author: G. E. Romero, email@example.com
Accepted: 2 September 2003
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.
Key words: X-rays: binaries / stars / gamma-rays: observations / gamma-rays: theory
© ESO, 2003
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