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Solar Model with Metal-enhanced Convective Envelope

Published online by Cambridge University Press:  13 May 2016

J. Y. Yang ,
Y. Li  and
H. Y. Xu
J. Y. Yang
Affiliation:
Yunnan Observatory, NAOCAS, P. O. Box 110, Kunming 650011, China
Y. Li
Affiliation:
Yunnan Observatory, NAOCAS, P. O. Box 110, Kunming 650011, China
H. Y. Xu
Affiliation:
Yunnan Observatory, NAOCAS, P. O. Box 110, Kunming 650011, China

Abstract

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Solar model with moderate enrichment of heavy elements in the convective envelope is investigated using the up-to-date input physics. It is found that metal enriched model can result in adequate depth of the convection zone and appropriate surface helium abundance, and the agreement between the calculated and observed p-mode frequencies are also improved. The sound speed of our model is worse than SSM and DSM in deep interior, but is better in the base of convection zone.

Type
Session I: Global Structure and Evolution of the Solar Interior
Information
Symposium - International Astronomical Union , Volume 203: Recent Insights into the Physics of the Sun and Heliosphere: Highlights from Soho and Other Space Missions , 2001 , pp. 46 - 49
Copyright
Copyright © Astronomical Society of the Pacific 2001 

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