Large-scale magnetic fields, g/-/ modes and convection in stars

Details Large-scale magnetic fields, g/-/ modes and convection in stars Large-scale magnetic fields, g/-/ modes and convection in stars

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.184..621m&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 184, Sept. 1978, p. 621-629.

Astronomy and Astrophysics

Astronomy

2

Convection, Stellar Envelopes, Stellar Magnetic Fields, Stellar Models, Lines Of Force, Magnetic Effects, Main Sequence Stars, Perturbation Theory, Stellar Structure

Scientific paper

Perturbations, caused by the presence of magnetic fields, to the growth rates of unstable g(-) modes of nonradial oscillation in regions of convective instability in idealized stellar models are determined using a method developed by Goossens (1972). When the region of instability is in the stellar envelope, it is found to be implausible that the entire region of instability can be significantly stabilized. A convective core can be significantly stabilized by a large enough field, but such a strong internal field would be associated with a surface field much larger than those observed. A comparison is made with earlier work of Moss and Tayler (1970).

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