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cataclysmic variable star

(CV, cataclysmic variable)
(star whose magnitude is much larger on occasion)

A cataclysmic variable star (CV or cataclysmic variable) is a variable star that irregularly grows in magnitude by a large factor for a while. The bright events are classified as novae and the mechanism is a white dwarf accreting matter from a companion to the point fusion is ignited but is sustained only temporarily.


(star type,variable,transient type)
http://en.wikipedia.org/wiki/Cataclysmic_variable_star

Referenced by:
dwarf nova

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