Dynamic formation and magnetic support of loop or arcade prominences

Details Dynamic formation and magnetic support of loop or arcade prominences Dynamic formation and magnetic support of loop or arcade prominences

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.348..233v&link_type=abstract

In ESA, Proceedings of the First SOHO Workshop: Coronal Streamers, Coronal Loops, and Coronal and Solar Wind Composition p 233-2

Mathematics

Coronal Loops, Dynamic Characteristics, Solar Magnetic Field, Solar Prominences, Chromosphere, Magnetic Fields, Mathematical Models, Solar Atmosphere

Scientific paper

The results of model dynamic simulations of the formation and support of a narrow prominence at the apex of a coronal magnetic loop or arcade are described. The condensation process proceeds via an initial radiative cooling and pressure drop, and a secondary siphon flow from the dense chromospheric ends. The antibuoyancy effect as the prominence forms causes a bending of a confining magnetic field, which propagates toward the semirigid ends of the magnetic loop. Thus, a wide magnetic 'hammock' or well (of a normal polarity Kippenhahn-Schlueter type) is formed, which supports the prominence at or near the field apex.

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