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On the effect of a starspot on the modes of oscillation of a toy
Ap star model
M.H. Montgomery & D.O. Gough
Institute of Astronomy, University of Cambridge, Madingley Road,
Cambridge CB3 0HA, United Kingdom
Starspots scatter acoustic waves, generating sharp horizontal variation. We present a method to approximate the structure of acoustic modes in a simple two-dimensional toy model of a spotted star, and discuss the influence of the spot on both the eigenfunctions and the oscillation frequencies.
Last changed: 2002/Jun/26
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