Effects of magnetic activity on solar-like oscillations

Details Effects of magnetic activity on solar-like oscillations Effects of magnetic activity on solar-like oscillations

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mons.proc...69d&link_type=abstract

The First MONS Workshop: Science with a Small Space Telescope, held in Aarhus, Denmark, June 29 - 30, 1998, Eds.: H. Kjeldsen, T

Physics

6

Scientific paper

In solar-like stars, faster rotation implies higher magnetic activity. We calculate p-mode oscillation spectra for stars rotating much faster than the Sun, taking into account perturbations caused the centrifugal force and by the magnetic field. The latter is described by scaling up the perturbations determined in the Sun at two activity stages. We argue that, in spite of disorderly looking oscillation spectra, we still should be able to recover information about the internal rotation. Measuring the magnetic perturbation is important for interpretation of the helioseismic variations in the solar cycle.

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