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Sunspot seismology

Published online by Cambridge University Press:  03 August 2017

John H. Thomas ,
Bruce W. Lites  and
Toufik E. Abdelatif
John H. Thomas
Affiliation:
University of Rochester, Rochester, NY 14627
Bruce W. Lites
Affiliation:
High Altitude Observatory, NCAR,* Boulder, CO 80307
Toufik E. Abdelatif
Affiliation:
University of Chicago, Chicago, IL 60637

Extract

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The 5 minute oscillations in a sunspot umbra are the response of the sunspot to forcing by the 5 minute p-modes in the surrounding convection zone (Thomas 1981). This interaction of solar p-modes with a sunspot can be used to probe the structure of a sunspot beneath the visible surface of the Sun (Thomas, Cram, and Nye 1982). Here we report briefly the results of both an observational study and a simple theoretical analysis of this interaction. A full account of these results will be published elsewhere (Abdelatif, Lites, and Thomas 1986; Abdelatif and Thomas 1987).

Type
Chapter 2: Theory of Solar Oscillations
Information
Symposium - International Astronomical Union , Volume 123: Advances In Hello- and Asteroseismology , 1988 , pp. 181 - 182
Copyright
Copyright © Reidel 1988 

References

Abdelatif, T. E., Lites, B. W., and Thomas, J. H. 1986, Astrophys. J., in press.Google Scholar
Abdelatif, T. E., and Thomas, J. H., Astrophys. J., submitted.Google Scholar
Bogdan, T. J., and Zweibel, E. G. 1986, Astrophys. J., submitted.Google Scholar
Parker, E. N. 1979, Astrophys. J., 230, 905.Google Scholar
Spruit, H. C. 1981, in The Physics of Sunspots, ed. Cram, L. E. and Thomas, J. H. (Sunspot, NM: Sacramento Peak Observatory), p. 98.Google Scholar
Thomas, J. H. 1981, in The Physics of Sunspots, ed. Cram, L. E. and Thomas, J. H. (Sunspot, NM: Sacramento Peak Observatory), p. 345.Google Scholar
Thomas, J. H., Cram, L. E., and Nye, A. H. 1982, Nature, 297, 485.Google Scholar