The effect of angular momentum exchange in the evolution of binary systems

Details The effect of angular momentum exchange in the evolution of binary systems The effect of angular momentum exchange in the evolution of binary systems

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...256..438h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 256, no. 2, p. 438-441.

Astronomy and Astrophysics

Astrophysics

1

Angular Momentum, Binary Stars, Red Giant Stars, Stellar Evolution, Stellar Mass Accretion, Stellar Mass, Stellar Models, Stellar Orbits, Stellar Systems

Scientific paper

The evolution of a binary system consisting of a 8 solar mass and 5.5 solar mass star has been studied in the conservative approximation of Case B mass transfer. Specific attention is given to the effect of exchange between the orbital angular momentum and the spin angular momentum as the primary component evolves to a red giant and in the phase of mass transfer. It has been found that the system considering the spin angular momentum will evolve to a longer orbital period and with a smaller endmass of the primary. It shows that the spin angular momentum cannot be neglected in the calculating of the evolution of binary systems.

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