Thread: What is the nearest xray binary star system?
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Old 27-March-2006, 11:04 AM
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TriangleMan TriangleMan is offline
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I don't think the 44 Bootes is an xray binary system. My understanding is that an xray binary is a main sequence star paired with either a neutron star or black hole, and that the accretion of matter from the main star to the neutron is creates a significant amount of xrays. 44 Bootes is three main-sequence stars.

Cygnus X-1 is about 8,000 LY away but I was wondering if that was the closest one.
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