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Title: Discovery of a High-Energy Gamma-Ray-Emitting Persistent Microquasar
Author: Paredes i Poy, Josep Maria
Martí Ribas, Josep
Ribó Gomis, Marc
Massi, M.
Keywords: Estels binaris de raigs X
Raigs gamma
Astronomia de raigs gamma
X-ray binaries
Gamma rays
Gamma ray astronomy
Issue Date: 2000
Publisher: American Association for the Advancement of Science
Abstract: Microquasars are stellar x-ray binaries that behave as a scaled down version of extragalactic quasars. The star LS 5039 is a new microquasar system with apparent persistent ejection of relativistic plasma at a 3 kiloparsec distance from the sun. It may also be associated with a gamma-ray source discovered by the Energetic Gamma Ray Experiment Telescope (EGRET) on board the COMPTON-Gamma Ray Observatory satellite. Before the discovery of LS 5039, merely a handful of microquasars had been identified in the Galaxy, and none of them was detected in high-energy gamma-rays.
Note: Versió postprint del document publicat a:
It is part of: Science, 2000, vol. 288, num. 5475, p. 2340-2342
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ISSN: 0036-8075
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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