Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh13a1508m&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SH13A-1508
Physics
[2199] Interplanetary Physics / General Or Miscellaneous
Scientific paper
Our Sun is a vibrating and amazing celestial object, full of little-understood phenomena. One such phenomenon is the so-called Sunquake, originally observed by Kosovichev and Zharkova (1998). Studies by Donea and Lindsey (2005) and Besliu et al. (2008) now show that the sunquake is not a rare phenomenon. They are powerful events, hardly visible on the solar surface, and result directly from energy release. They can be detected using acoustic techniques as high frequencies oscillations in the sun. The first models proposed to explain sunquakes involved pressure pulses, perhaps associated with heating revealed by white-light flare emission. Hudson, Fisher and Welsh (2008) proposed a mechanism to generate seismic waves based on the dynamical behavior of the solar magnetic field during flares. In this poster we study the variations of the magnetic field as an alternative mechanism for the generation of seismic waves.
Hudson Hugh S.
Krucker Sa"m
Martinez Oliveros Juan Carlos
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