A self-consistent model of a corotating Jovian magnetosphere

Details A self-consistent model of a corotating Jovian magnetosphere A self-consistent model of a corotating Jovian magnetosphere

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978jgr....83.2603c&link_type=abstract

Journal of Geophysical Research, vol. 83, June 1, 1978, p. 2603-2608.

Astronomy and Astrophysics

Astronomy

4

Astronomical Models, Atmospheric Models, Jupiter Atmosphere, Planetary Magnetic Fields, Planetary Magnetospheres, Self Consistent Fields, Centrifugal Force, Current Distribution, Magnetic Dipoles, Magnetic Field Configurations, Magnetohydrodynamics, Natural Satellites, Planetary Ionospheres, Plasma Dynamics

Scientific paper

In the rotation-dominated model of the Jovian magnetosphere, proposed in the present paper, the plasma current distribution is dynamically consistent with the magnetic field. The model is constructed under the assumptions of an ionospheric plasma source without pitch angle scattering; loss-free radiation transport through flux tube interchange diffusion; and a static balance between centrifugal force and magnetic stress. Using these assumptions, a dynamic equation is derived for a self-consistent field configuration having a single adjustable parameter that is related to the plasma source strength. The equation is solved by an iterative technique. The self-consistent field resembles a radially distorted dipole field, rather than the flat magnetodisk configuration inferred from Pioneer data. The implication is that such a magnetodisk field would require an equatorial plasma source rather than a source at the feet of the field lines.

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