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Cataclysmic variable star

In astronomy, cataclysmic variable stars (CVs) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state. They were initially called novae (from Latin 'new'), since those with an outburst brightness visible to the naked eye and an invisible quiescent brightness appeared as new stars in the sky.

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Cataclysmic variable star

Nodes40
Edges39
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Avg. degree1.95
Density0.05
Components1

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accretion cataclysmic stars dwarf white variable often enough primary secondary disc brightness novae strong outburst usually fusion x-ray white-dwarf hydrogen

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