The dusty ballerina skirt of Jupiter

Details The dusty ballerina skirt of Jupiter The dusty ballerina skirt of Jupiter

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....9821245h&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. A12, p. 21,245-21,251

Astronomy and Astrophysics

Astronomy

40

Astronomical Models, Interplanetary Dust, Interplanetary Magnetic Fields, Jupiter (Planet), Planetary Magnetospheres, Plasma-Particle Interactions, Io, Mathematical Models, Trajectory Analysis, Ulysses Mission

Scientific paper

We suggest a model to explain the unexpected recurrent dust events that were observed during the Jupiter encounter by the dust detector on board the Ulysses spacecraft. This model is based dust-magnetosphere interactions. Dust particles inside the Jovian magnetosphere collect electrostatic charges and their interaction with the magnetic and electric fields can lead to energization and subsequent ejection. We discuss the dusty regions (ring/halo, `gossamer' ring) and also Io as potential sources for the Ulysses events. This model favors Io as a source. The mass and velocity range of the escaping particles are compatible with the observations, and we also suggest internal periodicities to explain the recurrent nature of the Ulysses dust events.

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