Statistics – Computation
Scientific paper
Oct 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985soph..100...65g&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 100, Oct. 1985, p. 65-99.
Statistics
Computation
82
Computational Astrophysics, Helioseismology, Inversions, Solar Oscillations, Stellar Structure, Acoustic Velocity, Angular Velocity, Asymptotic Methods, Data Processing, Eigenvalues, Solar Interior, Stellar Models
Scientific paper
Methods by which observed frequencies of solar oscillations can be and in some cases have been used to infer the internal structure of the sun are discussed. Attention is confined to so-called inverse methods that identify and extract the information that is actually contained in the data. Because only a finite quantity of data can ever be acquired, the functions describing the interior stratification of the sun can never be established completely without the acceptance of certain assumptions. Nevertheless, the assumptions that are required are simple to understand, and the results do not depend on the complicated and uncertain theory of stellar evolution which has traditionally been used to construct solar models. First results of inversions have yielded an estimate of the sound speed and the angular velocity throughout much of the solar interior.
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