Speed of sound in the solar interior

Details Speed of sound in the solar interior Speed of sound in the solar interior

May 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985natur.315..378c&link_type=abstract

Nature (ISSN 0028-0836), vol. 315, May 30, 1985, p. 378-382.

Computer Science

Sound

134

Acoustic Velocity, Asymptotic Methods, Helioseismology, Photosphere, Solar Interior, Solar Oscillations, Differential Equations, Doppler Effect, Wave Propagation

Scientific paper

The sound speed of the solar interior is directly determinable on the basis of the frequencies of solar 5-min oscillations, irrespective of solar model, and relying only on a simple asymptotic description of the oscillations in terms of trapped acoustic waves. It is plausible that, by using this asymptotic determination as an initial trial in a more accurate inversion, and imposing constraints of smoothness on the solution resulting from the iteration, a good model representing the large scale structure of the sun which satisfies the observed frequencies may be determined.

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