On the effects of chromospheric magnetic perturbations on solar oscillation frequencies

Details On the effects of chromospheric magnetic perturbations on solar oscillation frequencies On the effects of chromospheric magnetic perturbations on solar oscillation frequencies

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...264..701w&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 264, no. 2, p. 701-707.

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Chromosphere, Solar Atmosphere, Solar Magnetic Field, Solar Oscillations, Computational Astrophysics, Perturbation Theory, Solar Cycles

Scientific paper

A perturbation method is developed for calculating the effect on the frequencies of solar global oscillations of changes in the chromosphere. We show that the frequency perturbation depends on the subphotospheric structure of the solar model only through the mode inertia (or mode mass). The effects of changing the chromosphere can first be calculated independently of any particular model of the solar interior; and the frequency perturbations for any given model then obtained by scaling with mode inertia. In particular we apply the method to changes in chromospheric magnetic field.

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