Magnetic braking and tidal energy dissipation in close binaries

Details Magnetic braking and tidal energy dissipation in close binaries Magnetic braking and tidal energy dissipation in close binaries

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...127..161v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 127, no. 1, Oct. 1983, p. 161-163.

Astronomy and Astrophysics

Astrophysics

9

Binary Stars, Energy Dissipation, Stellar Magnetic Fields, Stellar Winds, Angular Momentum, Stellar Rotation, Tides

Scientific paper

When angular momentum loss through a magnetically coupled stellar wind of the secondary drives the evolution of a close (P ⪉ 10 h) binary, the rate of energy dissipation due to the magnetic braking and due to tidal interaction may be comparable to the nuclear energy production of the secondary. The authors show that the neglect hitherto of the effects of energy dissipation on the structure of the secondary is justified only provided that (1) the magnetic field of the secondary is rigidly anchored in the envelope of the secondary, and that (2) the secondary is in corotation with the orbital revolution.

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