Acoustic wave ducting along magnetic flux tubes in the sunspot regions

Details Acoustic wave ducting along magnetic flux tubes in the sunspot regions Acoustic wave ducting along magnetic flux tubes in the sunspot regions

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ap%26ss.191..125s&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 191, no. 1, May 1992, p. 125-130.

Computer Science

Sound

Magnetic Flux, Solar Atmosphere, Solar Magnetic Field, Sound Waves, Sunspots, Helioseismology, Solar Activity, Solar Granulation, Wave Propagation

Scientific paper

The acoustic waves generated in the solar atmosphere propagate globally as well as upwards. These waves interact with the solar magnetic field structures and are ducted upwards. The velocity of these modified acoustic waves is shown to vary in a modelled solar atmosphere. The solar plasma propagating upwards with these waves are likely to alter the observed features of spicules, granules, and supergranules during changing phases of sunspot regions.

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