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Title: A numerical model for the gamma-ray emission of the microquasar LS 5039
Author: Bosch i Ramon, Valentí
Paredes i Poy, Josep Maria
Keywords: Estels binaris de raigs X
Raigs gamma
X-ray binaries
Gamma rays
Radio astronomy
Issue Date: 2004
Publisher: Springer Verlag
Abstract: The possible association between the microquasar LS 5039 and the EGRET source 3EG J1824-1514 suggests that microquasars could also be sources of high energy gamma-rays. In this paper, we explore, with a detailed numerical model, if this system can produce the emission detected by EGRET (>100 MeV) through inverse Compton (IC) scattering. Our numerical approach considers a population of relativistic electrons entrained in a cylindrical inhomogeneous jet, interacting with both the radiation and the magnetic fields, taking into account the Thomson and Klein-Nishina regimes of interaction. The computed spectrum reproduces the observed spectral characteristics at very high energy.
Note: Versió postprint del document publicat a:
It is part of: Astronomy and Astrophysics, 2004, vol. 417, num. 3, p. 1075-1081
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ISSN: 0004-6361
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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