On the drift motions of magnetospheric charged particles in the vicinity of a planetary satellite with dipole field

Details On the drift motions of magnetospheric charged particles in the vicinity of a planetary satellite with dipole field On the drift motions of magnetospheric charged particles in the vicinity of a planetary satellite with dipole field

Mar 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.1596i&link_type=abstract

Journal of Geophysical Research, vol. 86, Mar. 1, 1981, p. 1596-1600.

Physics

7

Charged Particles, Earth Magnetosphere, Io, Jupiter Atmosphere, Magnetic Dipoles, Particle Motion, Dipole Moments, Electric Fields, Electrons, Energetic Particles, Ion Motion, Magnetohydrodynamic Flow, Particle Trajectories, Planetary Magnetic Fields, Protons, Sodium, Planets, Satellites, Magnetosphere, Charged Particles, Dipole, Io, Motions, Jupiter, Protons, Electrons, Energy, Absorption, Surface, Sputtering, Corotation, Diagrams, Patterns, Flow, Magnetic Fields, Velocity, Kinetics

Scientific paper

If a planetary satellite has an intrinsic dipole field, the drift motion of charged particles will be diverted, by varying degree, around the satellite. It is shown here that, if Io has a dipole field with an equatorial surface field of the order of 2000 nT, both protons and electrons with energies less than 1 MeV will be strongly absorbed, while those with higher energy may not be affected. Furthermore, if the dipole moment of Io is anti-parallel to that of Jupiter, the surface sputtering effect by corotating magnetospheric ions should be most pronounced near the inner and trailing hemispheres, as indicated by some observations of the neutral sodium cloud.

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