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Inversion of Asymptotic Gravity-Mode Frequencies and its Application to the Sun

  • A. N. Ellis
Conference paper
Part of the International Astronomical Union / Union Astronomique Internationale book series (IAUS, volume 123)

Abstract

Solar gravity modes can be used to probe the stratification below the convection zone. An asymptotic formula for high-order gravity-mode frequencies has been obtained in terms of a stratification parameter ß. The domain of validity of this formula is investigated by least-squares regression of frequencies obtained from a theoretical model. Random noise is introduced to simulate real observations. An estimate is made of the critical noise-level above which ß cannot be inferred.

Keywords

Convection Zone Gravity Mode Solar Model Polytropic Index Stratification Parameter 
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References

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    Cowling T. G., 1941, Mon. Not. R. astr. soc. 101, 367MathSciNetADSGoogle Scholar
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    Ellis A. N., 1986, ‘Seismology of the Sun and the Distant Stars’ (ed. Gough D. O.) NATO MI Series C 169, ( Reidel, Dordrecht )Google Scholar
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    Gabriel M., 1986, ‘Seismology of the Sun and the Distant Stars’ (ed. Gough D. O.) NATO MI Series 169, ( Reidel, Dordrecht )Google Scholar
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    Provost J. & Berthomieu G., 1986, Astr. Astrophvs. 165, 218ADSzbMATHGoogle Scholar

Copyright information

© International Astronomical Union 1988

Authors and Affiliations

  • A. N. Ellis
    • 1
  1. 1.Department of Applied Mathematics and Theoretical PhysicsCambridgeUK

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