bn:01189074n
Noun Concept
Categories: Astronomical X-ray sources, Binary stars, Semidetached binaries, X-ray binaries, Compact stars
EN
X-ray binary  Low-mass x-ray binary  High-mass X-ray binaries  High-mass X-ray binary  HMXB
EN
X-ray binaries are a class of binary stars that are luminous in X-rays. Wikipedia
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