Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apjs..101..357l&link_type=abstract
Astrophysical Journal Supplement v.101, p.357
Astronomy and Astrophysics
Astronomy
47
Sun: Magnetic Fields, Sun: Interior
Scientific paper
This paper presents a means of modifying the equations of stellar structure and evolution (including mixing-length theory) for the effects of a large-scale magnetic field confined within a star. The derivations are carried out to a consistent degree of approximation. The resulting equations are incorporated within a standard stellar evolution code which has been modified for the study of structural changes occurring over time steps as short as 1 year. The code is tested by constructing a solar model containing a "magnetic perturbation" which is presumed to mimic the fields associated with the solar dynamo. Examples of the detailed consequences of such a perturbation on the structure of a solar model are described for two different field intensities and distributions.
Lydon Thomas Joseph
Sofia Sabatino
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