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Unsteady Wave-Packets in the Random Ensembles of Magnetic Flux Tubes: Acoustic Halos

Published online by Cambridge University Press:  12 April 2016

Margarita Ryutova  and
Eric Priest
Margarita Ryutova
Affiliation:
Institute of Nuclear Physics, 630090 Novosibirsk, 90, RussiaMath. Dept., The University, St-Andrews KY16 9SS, Scotland, UK
Eric Priest
Affiliation:
Institute of Nuclear Physics, 630090 Novosibirsk, 90, RussiaMath. Dept., The University, St-Andrews KY16 9SS, Scotland, UK

Abstract

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The propagation of unsteady acoustic wave-packets in a randomly magnetized solar atmosphere is accompanied by specific morphological effects which include the spreading of the energy absorption region over scales much larger than the size of the initial energy source. One of the manifestations of these effects can be acoustic halos. The regions of an efficient energy input and their localization crucially depend on the distribution of magnetic structures in space and over their physical parameters which makes the present study useful for diagnostic goals.

Type
Session 9. Convections and Oscillation in Active Regions
Information
International Astronomical Union Colloquium , Volume 141: The Magnetic and Velocity Fields of Solar Active Regions , 1993 , pp. 554 - 558
Copyright
Copyright © Astronomical Society of the Pacific 1993

References

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