gamma-ray emission from LS I +61 303: The impact of basic system uncertainties
arXiv:0811.2466 · doi:10.1088/0004-637X/693/2/1462
Abstract
LS I +61 303 has been recently detected as a periodic gamma-ray source by the Major Atmospheric Imaging Cerenkov (MAGIC) telescope. A distinctive orbital correlation of the -ray emission was found. This work shows that the range of uncertainties yet at hand in the orbital elements of the binary system LSI as well as in the possible assumptions on the stellar wind of the optical companion play a non-negligible role in the computation of opacities to high energy processes leading to -ray predictions. The geometry influence on the propagation and escape of -ray photons is explored. With this study at hand, we analyse the results of a pulsar wind zone model for the production of gamma-rays and compare it with recent MAGIC observations.
27 pages, 12 figures. References corrected. Journal Ref. with publication details added
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Cited by in corpus (27)
- Gamma-ray binaries and related systems
- Fermi LAT Observations of LS I +61 303: First detection of an orbital modulation in GeV Gamma Rays
- The Orbits of the Gamma-ray Binaries LS I +61 303 and LS 5039
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- TeV Gamma Ray Astronomy
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- Expected gamma-ray emission from x-ray binaries