Gas dynamics of semidetached binaries. II - The vertical structure of the stream

Details Gas dynamics of semidetached binaries. II - The vertical structure of the stream Gas dynamics of semidetached binaries. II - The vertical structure of the stream

Jul 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...207l..53l&link_type=abstract

Astrophysical Journal, vol. 207, July 1, 1976, pt. 2, p. L53-L55.

Astronomy and Astrophysics

Astronomy

114

Binary Stars, Gas Dynamics, Gravitational Fields, X Ray Astronomy, X Ray Stars, Gravitational Effects, Stellar Gravitation, Stellar Mass, X Ray Sources

Scientific paper

The letter considers the three-dimensional dynamics of the stream in semidetached binaries undergoing Roche-lobe overflow. Results of an earlier communication are generalized to include the dynamic effects in the direction perpendicular to the orbital plane. It is found that the scale height of the stream characteristically exceeds its corresponding hydrostatic value by a significant factor because the inertia of the gas prevents it from responding instantaneously to the changing gravitational field. This effect is important for the interpretation of observations relating to stream-disk impacts in cataclysmic variables and in binary X-ray sources of low total mass.

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