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