Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303
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Open Access
- 23 June 2006
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 312 (5781) , 1771-1773
- https://doi.org/10.1126/science.1128177
Abstract
Microquasars are binary star systems with relativistic radio-emitting jets. They are potential sources of cosmic rays and can be used to elucidate the physics of relativistic jets. We report the detection of variable gamma-ray emission above 100 gigaelectron volts from the microquasar LS I 61 + 303. Six orbital cycles were recorded. Several detections occur at a similar orbital phase, which suggests that the emission is periodic. The strongest gamma-ray emission is not observed when the two stars are closest to one another, implying a strong orbital modulation of the emission or absorption processes.Keywords
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This publication has 29 references indexed in Scilit:
- Propagation of very high energy -rays inside massive binaries LS 5039 and LSI +61 303Monthly Notices of the Royal Astronomical Society, 2006
- A broadband leptonic model for gamma-ray emitting microquasarsAstronomy & Astrophysics, 2006
- Hadronic High‐Energy Gamma‐Ray Emission from the Microquasar LS I +61 303The Astrophysical Journal, 2005
- A Survey of Unidentified EGRET Sources at Very High EnergiesThe Astrophysical Journal, 2005
- γ-ray emission from microquasars: A numerical model for LSI +61°303Astronomy & Astrophysics, 2004
- Magnetized cosmic wallsAstronomy & Astrophysics, 2004
- Cosmic rays from microquasars: A narrow component to the CR spectrum?Astronomy & Astrophysics, 2002
- Effects of Interaction‐induced Activities in Hickson Compact Groups: CO and Far‐Infrared StudyThe Astrophysical Journal, 1998
- EGRET Observations of the Gamma‐Ray Source 2CG 135+01The Astrophysical Journal, 1997
- Distance and total column density to the periodic radio star LSI + 61 deg 303The Astronomical Journal, 1991