Star spots and the period gap in cataclysmic variables

Details Star spots and the period gap in cataclysmic variables Star spots and the period gap in cataclysmic variables

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...427..956l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 427, no. 2, p. 956-960

Astronomy and Astrophysics

Astrophysics

93

Brightness, Cataclysmic Variables, Dwarf Novae, Periodic Variations, Starspots, Stellar Models, Stellar Oscillations, Accretion Disks, Mass Transfer, Stellar Luminosity, Stellar Mass Accretion, Stellar Mass Ejection

Scientific paper

We propose a model for the occasional drops in brightness in the VY Scl stars, and we show that the apparent absence of dwarf novae in the 3-4 hr period range is a plausible consequence of the proposed model. We also propose a new model for the formation of the period gap in the distribution of cataclysmic variables, in the context of which, the period gap and the behavior of dwarf novae, nova-like variables, VY Scl stars, and AM Her systems are all self-consistent.

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