Postthermonuclear runaway angular momentum loss in cataclysmic binaries

Details Postthermonuclear runaway angular momentum loss in cataclysmic binaries Postthermonuclear runaway angular momentum loss in cataclysmic binaries

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...305..251m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 305, June 1, 1986, p. 251-260.

Astronomy and Astrophysics

Astrophysics

30

Angular Momentum, Binary Stars, Cataclysmic Variables, Stellar Envelopes, Stellar Evolution, Stellar Mass Ejection, Gravitational Waves, Magnetic Effects, Mass Transfer, Stellar Orbits, Thermonuclear Reactions

Scientific paper

During the common envelope phases that follow hydrogen shell flashes in the white dwarf component of cataclysmic binaries, angular momentum and energy are transferred from the orbit to the common envelope by friction processes. The common envelope is ejected due to the frictional heating, carrying away angular momentum from the binary system. An estimate of the rate of this frictional angular momentum loss (FAML) shows that it can be the dominant angular momentum loss mechanism for cataclysmic binaries with orbital period, P(orb) approximately less than 6 hr. It is suggested that FAML is responsible for the great range in observationally deduced mass transfer rates for systems with similar orbital period.

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