The spectrum of umbral oscillations of the Scheuer-Thomas sunspot model |
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| Authors: | V. I. Zhukov V. I. Efremov B. T. Nuraliev |
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| Affiliation: | (1) Central Astronomical Observatory of the USSR Academy of Sciences, 196140 Pulkovo, Leningrad, U.S.S.R.;(2) Astrophysical Institute of the Kazakh Academy of Sciences, Alma Ata, U.S.S.R. |
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| Abstract: | Proper periods are calculated for oscillations of an isothermal gaseous layer with a homogeneous vertical magnetic field, limited by two rigid horizontal boundaries. The obtained results are in good agreement with the observed umbral oscillations in a sunspot. |
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