Asymptotic properties of low degree solar gravity modes

Statistics – Computation

Scientific paper

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Asymptotic Properties, Convection, Solar Gravitation, Solar Oscillations, Stellar Structure, Computational Astrophysics, Solar Interior, Solar Spectra, Stellar Models

Scientific paper

The application of the second-order asymptotic theory of Tassoul (1980) to the low degree solar gravity modes is discussed. The standard solar model of Schatzmann and Maeder (1981) is used to compute a set of g-mode periods, and the possibility of recovering the coefficients of the expression derived previously for the g-modes by a least square analysis on the set of computed periods is tested. The coefficients given by least squares analysis are compared to their values estimated from the model. It is shown that, within the range of computed periods, it is possible to recover some constraints on the solar interior and that very large periods are required to derive the properties of the stratification just below the convection zone.

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