Mathematics – Logic
Scientific paper
Oct 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pasj...43..739v&link_type=abstract
Astronomical Society of Japan, Publications (ISSN 0004-6264), vol. 43, no. 5, 1991, p. 739-753. Research supported by Zodiac Sci
Mathematics
Logic
24
Acoustic Velocity, Asymptotic Methods, Frequency Distribution, Solar Interior, Solar Oscillations, Helioseismology, Phase Shift, Solar Activity, Stellar Models
Scientific paper
The results of a nonlinear inversion of the solar p-mode frequencies are examined to infer the distribution of the sound speed inside the sun. An inversion technique which is based on second-order asymptotic theory of acoustic oscillations is described. This technique is applied to three data sets including: (1) the eigenfrequencies of the evolutionary solar model of Shibahashi et al. (1983); (2) the eigenfrequencies of solar model 1 of Christensen-Dalsgaard (1982); and (3) the observational solar oscillation frequencies of Libbrecht et al. (1990) and Jimenez et al. (1988). The results are compared in order to test the possibilities of the inversion technique and to compare both models with observational data.
Shibahashi Hiromoto
Vorontsov Sergei V.
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