x-ray burster


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Related to x-ray burster: X-ray binary

x-ray burster

[′eks ‚rā ′bər·stər]
(astronomy)
One of a class of celestial x-ray sources which produce bursts of x-rays in the 1-20-kiloelectronvolt range and which are characterized by rise times of less than a few seconds and decay times of a few seconds to a few minutes; the peak luminosity is of the order of 1038 ergs per second (1031 watts) and the sources have an average equivalent temperature of 108K.
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X-ray bursters are probably in our galaxy and may be stars that suffer periodic nuclear explosions on their surfaces.