X ray binary stars

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• X-ray binary — Artist s impression of an X ray Binary X ray binaries are a class of binary stars that are luminous in X rays. The X rays are produced by matter falling from one component, called the donor (usually a relatively normal star) to the other… …   Wikipedia

• X-ray binary star — noun a type of binary star system in which one of the stars is a collapsed object such as a white dwarf, neutron star, or black hole, with matter from the normal star falling into the collapsed star and producing X rays …  

• Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …   Wikipedia

• Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars …   Wikipedia

• Binary pulsar — A binary pulsar is a pulsar with a binary companion, often another pulsar, white dwarf or neutron star. They are one of the few objects which allow physicists to test general relativity in the case of a strong gravitational field. Although the… …   Wikipedia

• X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …   Wikipedia

• X-ray source — ▪ astronomy       in astronomy, any of a class of cosmic objects that emit radiation at X ray wavelength. Because the Earth s atmosphere absorbs X rays (X ray) very efficiently, X ray telescopes and detectors must be carried high above it by… …   Universalium

• X-ray burster — X ray bursters are a class of binary stars which have periodic outbursts luminous in X rays. They contain a neutron star and an accreting companion.Burst AstrophysicsWhen a star in a binary fills its Roche lobe (either due to being very close to… …   Wikipedia

• Colliding-wind binary — A colliding wind binary is a binary star system in which the two members are massive stars that emit powerful, radiatively driven stellar winds. The location where these two winds collide produces a strong shock front that can cause radio, X ray… …   Wikipedia

• Ultraluminous X-ray source — An ultra luminous X ray source (ULX) is an astronomical source of X rays that is not in the nucleus of a galaxy, and is more luminous than 1039 erg/s (1032 watts), assuming that it radiates isotropically. Typically there is about one ULX per… …   Wikipedia

• x-ray astronomy — x ray astronomer. the branch of astronomy that studies celestial objects by means of the x rays emitted by them. Cf. x ray (def. 1b). [1960 65] * * * Study of astronomical objects and phenomena that emit radiation at X ray wavelengths. Because… …   Universalium