Statistics – Applications
Scientific paper
Aug 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...283..363g&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 283, Aug. 1, 1984, p. 363-372.
Statistics
Applications
8
Plasma Equilibrium, Stellar Atmospheres, Stellar Magnetic Fields, Atmospheric Electricity, Density Distribution, Solar Corona
Scientific paper
An equilibrium in a plasma atmosphere around a gravitating body is considered with regard to both a magnetic field of electrical currents in the atmosphere and a magnetic field originating inside the star. The relation between the combined non-force-free magnetic field and the thermodynamic parameters of atmospheric plasma is treated analytically on the basis of an approach which is discussed in detail. Though restricted by the axisymmetrical situation, the approach allows for multipole structure of a stellar magnetic field and arbitrary radial variation of a toroidal atmospheric magnetic field. Among phenomena caused by the combined magnetic field are inverted altitude run of density in the atmosphere, depletions and excesses in plasma density, 'north-south' atmospheric asymmetry, and inhomogeneous temperature distribution. Subsequent applications are discussed, in particular for the explanation of solar corona asymmetry.
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