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Evolutionary effects of stellar rotation of massive stars in their pre-supernova environments

Published online by Cambridge University Press:  12 July 2011

Brenda Pérez-Rendón ,
Horacio Pineda-León ,
Alfredo Santillán  and
Liliana Hernández-Cervantes
Brenda Pérez-Rendón
Affiliation:
Departamento de Investigación en Física. Universidad de Sonora. Hermosillo, Sonora, México email: brenda@cajeme.cifus.uson.mx
Horacio Pineda-León
Affiliation:
Posgrado en Ciencias Físicas, DIFUS. Universidad de Sonora. Hermosillo, Sonora, México
Alfredo Santillán
Affiliation:
DGSCA, UNAM. Cd. Universitaria, México, D.F.
Liliana Hernández-Cervantes
Affiliation:
Instituto de Astronomía, UNAM. Cd. Universitaria, México, D.F.
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Abstract

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Massive main sequence stars are fast rotators. Stellar rotation affects massive stellar rotation due to rotationally induced mixing processes, the increase of mass loss rates, etc. and also affects the circumstellar medium due to their interaction with the stellar wind. The parameters of stellar winds depends on stellar parameters so the wind parameters change as the star evolves, coupling the evolution of circumstellar medium to the star itself. In this work we used a stellar code to build models of two massive stars (30 and 40 M⊙) and we used their wind parameters to simulate the hydrodynamics of their surrounding gas with the ZEUS-3D code in order to explore the effects of stellar rotation in the pre-supernova environments.

Keywords

stars: rotationstars: evolutionstars: circumstellar matter
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S272: Active OB stars: structure, evolution, mass loss, and critical limits , July 2010 , pp. 99 - 100
Copyright
Copyright © International Astronomical Union 2011

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