Simulations Of Buoyant Plumes In Solar Prominences

Details Simulations Of Buoyant Plumes In Solar Prominences Simulations Of Buoyant Plumes In Solar Prominences

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spd....40.1009h&link_type=abstract

American Astronomical Society, SPD meeting #40, #10.09; Bulletin of the American Astronomical Society, Vol. 41, p.824

Astronomy and Astrophysics

Astronomy

Scientific paper

Recent observations of solar prominences have revealed a complex, dynamic flow field within them. The flow field within quiescent prominences is characterized by long ``threads'' and dark ``bubbles'' that fall and rise (respectively) in a thin sheet. The flow field in active prominences display more helical motions that travel along the axis of the prominence. We explore the possible dynamics of both of these with the aid of 2.5D MHD simulations. Our model, compressible plasma possesses density and temperature gradients and resides in magnetic field configurations that mimc those of a solar prominence. The system is the subjected to to localized heating to trigger a variety of modes and instabilities.

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