X-ray star may refer to:

• Be/X-ray binary, a class of high-mass X-ray binaries that consist of a Be star and a neutron star
• X-ray binary, a class of binary stars that are luminous in X-rays
• X-ray burster, a class of X-ray binary stars exhibiting periodic and rapid increases in luminosity that peak in the X-ray regime of the electromagnetic spectrum
• X-ray pulsar, a class of astronomical objects that are X-ray sources displaying strict periodic variations in X-ray intensity

See also

• X-ray astronomy

This disambiguation page lists articles associated with the title X-ray star.
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