Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...310..786t&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 310, Nov. 15, 1986, p. 786-804.
Astronomy and Astrophysics
Astrophysics
16
Circulation Distribution, Early Stars, Magnetic Field Configurations, Meridional Flow, Stellar Magnetic Fields, Stellar Rotation, Boundary Layers, Inviscid Flow, Velocity Distribution
Scientific paper
The authors discuss the large-scale meridional circulation and concomitant differential rotation in the radiative envelope of a magnetic star, assuming that departures from spherical symmetry are not too large. They consider the case of a magnetic field that has a poloidal component and a concomitant toroidal component which is due to rotation. Taking into account the ever-present eddy-like motions that pervade a stellar radiative zone, the authors obtain self-consistent solutions for the meridional flow and the mean magnetic field, which is slowly decaying and has a poloidal part that is almost dipolar in structure. The toroidal component of the field and the rotation law are also discussed. Detailed numerical results are presented for a 3 M_sun; star.
Tassoul Jean Louis
Tassoul Monique
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