Low-frequency p- and g-mode solar oscillations

Details Low-frequency p- and g-mode solar oscillations Low-frequency p- and g-mode solar oscillations

Jan 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26a...353..775p&link_type=abstract

Astronomy and Astrophysics, v.353, p.775-785 (2000)

Astronomy and Astrophysics

Astrophysics

41

Sun: Interior, Sun: Oscillations, Sun: Rotation

Scientific paper

In order to help the detection and identification of low-frequency p- and g-modes in the solar spectrum observed by ground-based networks and SoHO experiments, we study the properties of low degree (l=0 - 6) low-frequency (100 - 2000 mu Hz) solar oscillations. The frequencies of p- and g-modes have been computed for a set of solar models with updated physics. We point out the specific properties of the oscillations of mixed character, with noticeable amplitude both in central and external layers. We analyze the sensitivity of low-frequency oscillations to solar parameters like age, metallicity and luminosity, and to various physical processes, like convective core overshoot and mass loss during the beginning of solar evolution. We estimate the sensitivity of the splittings of these low-frequency oscillations to the core rotation.

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