On the choice of parameters in solar structure inversion

Details On the choice of parameters in solar structure inversion On the choice of parameters in solar structure inversion

1999-05-10

arxiv.org/abs/astro-ph/9905107v1

Astronomy and Astrophysics

Astrophysics

14 pages, 15 figures. Accepted for publication on MNRAS

Scientific paper

10.1046/j.1365-8711.1999.02785.x

The observed solar p-mode frequencies provide a powerful diagnostic of the internal structure of the Sun and permit us to test in considerable detail the physics used in the theory of stellar structure. Amongst the most commonly used techniques for inverting such helioseismic data are two implementations of the optimally localized averages (OLA) method, namely the Subtractive Optimally Localized Averages (SOLA) and Multiplicative Optimally Localized Averages (MOLA). Both are controlled by a number of parameters, the proper choice of which is very important for a reliable inference of the solar internal structure. Here we make a detailed analysis of the influence of each parameter on the solution and indicate how to arrive at an optimal set of parameters for a given data set.

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