Formation, levitation, and stability of prominences in the magnetized solar atmosphere

Details Formation, levitation, and stability of prominences in the magnetized solar atmosphere Formation, levitation, and stability of prominences in the magnetized solar atmosphere

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...413..416d&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 413, no. 1, p. 416-421.

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8

Magnetohydrodynamic Stability, Solar Atmosphere, Solar Magnetic Field, Solar Prominences, Chromosphere, Magnetic Field Configurations

Scientific paper

The dynamic formation of prominences in the initial magnetothermal equilibrium and their stability to sideward displacements are investigated focusing on the structure of the 2D solar atmosphere in the presence of coronal arcades or loops. A model based on 2D magnetohydrodynamic equations takes into account gravity, compressible flows, heating, radiation, anisotropic thermal conduction, and coupling to a deep chromosphere. It is found that prominences in simple arcades characterized by magnetic field with significant curvature at the apex are unstable to a lateral displacement.

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