Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...198..211l&link_type=abstract
Astrophysical Journal, vol. 198, May 15, 1975, pt. 1, p. 211-217.
Astronomy and Astrophysics
Astrophysics
18
Magnetostatic Fields, Plasma Slabs, Solar Gravitation, Solar Prominences, Magnetohydrodynamics, Solar Simulation, Stellar Mass Ejection, Thermal Conductivity
Scientific paper
We use the mathematical formulation of Low to construct magnetostatic models of the quiescent prominence in the form of a vertical infinite sheet of material which is both denser and cooler than its surrounding. A magnetic field of about 2 gauss serves to support the weight of the prominence and to confine the prominence material in a thin sheet. By a suitable choice of a certain free function in the mathematical model, the variation of the prominence temperature corresponds to a medium with a 5/2 power-law thermal conductivity, neglecting the magnetic effect on thermal conduction. It is shown that a static balance obtains everywhere between the conducted heat input and a hypothetical heat sink which is proportional to the local material density. This heat sink simulates the effect of the radiative loss of the prominence. The gross observed prominence features are reproduced.
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