X-ray binary

British

noun

a binary star that is an intense source of X-rays and is composed of a normal star in close orbit with a white dwarf, neutron star, or black hole

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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X-ray binary

X-ray binary systems containing a black hole, they argue, would flare less frequently than others harboring a neutron star.

From Scientific American ● Apr. 5, 2022

First superburst from a classical low-mass X-ray binary transient.

From Nature ● May 22, 2018

The probability of finding an unrelated X-ray source at such a small offset is <10−5 for field objects39 as well as for an unrelated X-ray binary within the galaxy40.

From Nature ● Oct. 15, 2017

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023