Some Comments on the Magnetic Braking of CP Stars

Details Some Comments on the Magnetic Braking of CP Stars Some Comments on the Magnetic Braking of CP Stars

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ap.....46..319g&link_type=abstract

Astrophysics (English translation of Astrofizika), v. 46, Issue 3, p. 319-328 (2003).

Astronomy and Astrophysics

Astrophysics

1

Stars Magnetic Fields - Stars Individual - Cp Stars

Scientific paper

The low rotation velocities of magnetic CP stars are discussed. Arguments against the involvement of the magnetic field in the loss of angular momentum are given: (1) the fields are not strong enough in young stars in the stage of evolution prior to the main sequence; (2) there is no significant statistical correlation between the magnetic field strength and the rotation period of CP stars; (3) stars with short periods have the highest fields; (4) a substantial number of stars with very low magnetic fields (B e P>25 days, which form 12% of the total, probably lie at the edge of the velocity distribution for low mass stars. All of these properties conflict with the hypothesis of magnetic braking of CP stars.

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