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The Sun as a fundamental calibrator of stellar evolution

Published online by Cambridge University Press:  01 October 2008

Jørgen Christensen-Dalsgaard
Jørgen Christensen-Dalsgaard*
Affiliation:
Danish Asteroseismology Centre, and Department of Physics and Astronomy, Aarhus University, DK 8000 Aarhus C, Denmark email: jcd@phys.au.dk
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Abstract

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The Sun is unique amongst stars in having a precisely determined age which does not depend on the modelling of stellar evolution. Furthermore, other global properties of the Sun are known to much higher accuracy than for any other star. Also, helioseismology has provided detailed determination of the solar internal structure and rotation. As a result, the Sun plays a central role in the development and test of stellar modelling. Here I discuss solar modelling and its application to tests of asteroseismic techniques for stellar age determination.

Keywords

Sun: evolutionSun: interiorSun: helioseismologySun: fundamental parametersstars: evolutionstars: interiorstars: oscillationsstars: fundamental parametersasteroseismology
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Symposium S258: The Ages of Stars , October 2008 , pp. 431 - 442
Copyright
Copyright © International Astronomical Union 2009

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