Other
Scientific paper
Dec 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979soph...64..267p&link_type=abstract
Solar Physics, vol. 64, Dec. 1979, p. 267-286. Research supported by the Science Research Council.
Other
38
Magnetic Field Configurations, Solar Corona, Solar Magnetic Field, Solar Prominences, Thermodynamic Equilibrium, Isotherms, Plasma Density, Plasma Equilibrium, Plasma Temperature, Solar Physics
Scientific paper
The temperature and density are obtained for corona plasma in thermal and hydrostatic equilibrium and located in a force-free magnetic arcade. The isotherms are found to be inclined to the magnetic field lines and so care should be taken in inferring the magnetic structure from observed emission. When the coronal pressure becomes too great, the equilibrium ceases to exist and the material cools to form a quiescent prominence. The same process can be initiated at low heating rates when the width or shear of the arcade exceeds a critical value. It is suggested that the prominence should be modeled as a dynamic structure with plasma always draining downwards. Material is continually sucked up along field lines of the ambient arcade and into the region lacking a hot equilibrium, where it cools to form new prominence material.
Priest Eric R.
Smith Andrew E.
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