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http://hdl.handle.net/2248/946
Title: | Propagation of magnetohydrodynamic waves in the solar atmosphere - Alfven p-waves in sunspots |
Authors: | Zhukov, V. I Efremov, V. I |
Keywords: | Oscillations Sunspots MHD waves |
Issue Date: | Dec-1988 |
Publisher: | Astronomical Society of Indian |
Citation: | BASI, Vol. 16, No. 4, pp. 145-158 |
Abstract: | Numerical calculations are given for the propagation of Alfven p-waves in the solar atmosphere for Geronicolas' (1977) sunspot model. It is shown that Alfven p-waves with a period greater than 400s do not, in fact, penetrate into upper layers of a sunspot. This is due to the reflection of Alfven p-waves from the upper layers and to coupling with magnetogravity waves trapped at a particular layer of a sunspot. Proper resonance periods for magnetogravity waves in a sunspot are calculated |
URI: | http://hdl.handle.net/2248/946 |
Appears in Collections: | BASI Publications |
Files in This Item:
File | Description | Size | Format | |
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ZHUKOV.pdf | 955.28 kB | Adobe PDF | View/Open |
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