The observed properties of the intermediate-degree gravity modes

Details The observed properties of the intermediate-degree gravity modes The observed properties of the intermediate-degree gravity modes

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...362..734r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 362, Oct. 20, 1990, p. 734-744. Research supported by DOE and USAF.

Astronomy and Astrophysics

Astrophysics

Gravitational Fields, Power Spectra, Solar Interior, Solar Oscillations, Solar Rotation, Solar Gravitation, Solar Temperature, Stellar Cores

Scientific paper

In this paper the properties of the four solar intermediate-degree g-mode multiplets identified by Hill (1986) are used as a starting point for an extensive study of the 1979 differential radius observations reported by Bos (1982). It is shown that intermediate-degree g-mode multiplets were observed in the 20 sets of peaks within the power spectra of the 1979 observations. The localization of the modes implies that their temperature eigenfunctions are large in the deep interior. The observed phase-locking implies that second and higher order effects are important. The combination of large eigenfunctions and nonlinear effects means that, for a given phase-locked section, there may be regions of constructive interference located in the central core of the sun.

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