On angular momentum transfer in binary systems

Details On angular momentum transfer in binary systems On angular momentum transfer in binary systems

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975mnras.170..497w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 170, Mar. 1975, p. 497-501.

Astronomy and Astrophysics

Astronomy

8

Angular Momentum, Binary Stars, Kepler Laws, Momentum Transfer, Orbital Mechanics, Stellar Evolution, Emission Spectra, Line Spectra, Mass Transfer, Periodic Variations, Shell Stars, Stellar Luminosity

Scientific paper

The maximum limit for the conversion of orbital angular momentum into rotational angular momentum of the mass-gaining component in a close binary system is derived. It is shown that this conversion process does not seriously affect the rate of orbital period change and can be neglected in computing the mass transfer rate. Integration of this limit over the entire accretion process results in a value for the maximum accumulated rotational angular momentum that is 3 to 4 times larger than that implied by the observed underluminosity of stars in such systems as Mu(1) Sco, V Pup, SX Aur, and V356 Sgr. It is suggested that shell stars and emission-line stars in binary systems may be produced when the core angular momentum is transferred into an envelope having a rotational angular momentum close to the maximum limit.-

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