Be/X-ray binaries |
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Authors: | Pablo Reig |
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Institution: | 1.IESL, Foundation for Research and Technology-Hellas,Heraklion,Greece;2.Physics Department,University of Crete,Heraklion,Greece |
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Abstract: | The interest in X/γ-ray Astronomy has grown enormously in the last decades thanks to the ability to send X-ray space missions above the Earth’s
atmosphere. There are more than half a million X-ray sources detected and over a hundred missions (past and currently operational)
devoted to the study of cosmic X/γ rays. With the improved sensibilities of the currently active missions new detections occur almost on a daily basis. Among
these, neutron-star X-ray binaries form an important group because they are among the brightest extra-solar objects in the
sky and are characterized by dramatic variability in brightness on timescales ranging from milliseconds to months and years.
Their main source of power is the gravitational energy released by matter accreted from a companion star and falling onto
the neutron star in a relatively close binary system. |
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Keywords: | |
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