High-energy gamma-ray Emission from Microquasars: LS 5039 and LS I +61 303

Abstract

The possible associations between the microquasars LS 5039 and LS I +61 303 and the EGRET sources 3EG J1824-1514 and 3EG J0241+6103 suggest that microquasars could also be sources of high-energy gamma-rays. In this work, we present a detailed numerical inverse Compton (IC) model, based on a microquasar scenario, that reproduces the high-energy gamma-ray spectra and variability observed by EGRET for the mentioned sources. Our model considers a population of relativistic electrons entrained in a cylindrical inhomogeneous jet that interact through IC scattering with both the radiation and the magnetic fields.

Universitat de Barcelona. 6 pages, 2 figures. Talk presented at the V Microquasar Workshop, Beijing, China, June 5-13, 2004. To appear in the Chinese Journal of Astronomy and Astrophysics

References in corpus (3)

• High-mass microquasars and low-latitude gamma-ray sources
• LSI+61303 in the context of microquasars
• gamma-ray emission from microquasars: a numerical model for LSI+61 303

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• Advances in Understanding High-Mass X-ray Binaries with INTEGRAL and Future Directions
• X-ray Binaries: a potential dominant contributor to the cosmic ray spectral knee structure
• Synchrotron emission from secondary leptons in microquasar jets