Evolutionary models of the rotating sun

Details Evolutionary models of the rotating sun Evolutionary models of the rotating sun

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...338..424p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 338, March 1, 1989, p. 424-452.

Astronomy and Astrophysics

Astrophysics

359

Abundance, Solar Interior, Solar Rotation, Stellar Evolution, Stellar Models, Angular Velocity, Beryllium, Lithium, Periodic Variations, Solar Velocity, Stellar Rotation

Scientific paper

A new rotating stellar evolution code is developed and applied to the sun. A hydrostatic fully convective premain-sequence model is evolved to the age of the sun. As the model evolves, it accounts for angular-momentum loss via a magnetic wind and angular-momentum redistribution by rotationally induced instabilities. The resulting models have an oblateness in agreement with observed upper limits. The rotation curves show two main features: the outer layers exhibit minimal radial differential rotation, and a rapidly rotating central core is preserved. These basic features persist through a wide range of model parameters.

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