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Cataclysmic variable evolution: AM Her binaries and the period gap

Webbink, Ronald; Wickramasinghe, Dayal


AM Her variables - synchronized magnetic cataclysmic variables (CVs) - exhibit a different period distribution from other CVs across the period gap. We show that non-AM Her systems may infiltrate the longer-period end of the period gap if they are metal-deficient, but that the position and width of the gap in orbital period are otherwise insensitive to other binary parameters (except for the normalization of the braking rate). In AM Her binaries, magnetic braking is reduced as the wind from the...[Show more]

CollectionsANU Research Publications
Date published: 2002
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1046/j.1365-8711.2002.05495.x


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