Solar Physics Division Meeting 2000, June 19-22
Session 1. Helioseismology, Magnetic Fields, Chromosphere and Transition Region
Display, Chair: C. U. Keller, Monday-Thursday, June 19, 2000, 8:00am-6:00pm, Forum Ballroom

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[1.46] Equilibrium and Stability of Prominence Flux Ropes

B.H. Fong (National Center for Atmospheric Research)

We present two-dimensional equilibrium solutions to the MHD equations relevant to solar prominences. Computationally determined configurations are found that have realistic pressure, density, and temperature profiles, supported by nearly force-free, flux rope-type magnetic fields. The stability of such equilibria to gravity and pressure driven modes is determined. The evolution of marginally unstable equilibria is discussed within the framework of a nonlinear dynamical theory for pressure and gravity driven modes.

The National Center for Atmospheric Research is sponsored by the National Science Foundation

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