Propagation of magnetohydrodynamic waves in the solar atmosphere - Alfven p-waves in sunspots

Please use this identifier to cite or link to this item: 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

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