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Comments on the Influence of Solar Activity on P-Mode Oscillation Spectra

Published online by Cambridge University Press:  08 February 2017

L. Gizon
L. Gizon*
Affiliation:
W. W. Hansen Experimental Physics Laboratory, Stanford University, Stanford CA 94305, U.S.A.

Extract

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The systematic p-mode frequency changes which are observed through the solar cycle are believed to be associated with near-surface perturbations confined to the magnetically active latitudes. In this paper, we study the perturbation arising from the presence of a large “active region”, corresponding to a localized structural change in a thin region close to the photosphere. We shall ignore the difficult question of the magnitude of the effect, and simply consider some geometric and observational implications for low-degree modes.

Type
III. Large-Scale Structure of the Sun
Information
Symposium - International Astronomical Union , Volume 185: New Eyes to See Inside the Sun and Stars , 1998 , pp. 173 - 174
Copyright
Copyright © Kluwer 1998 

References

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