Physics
Scientific paper
Apr 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jgr....91.4543i&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 91, April 1, 1986, p. 4543-4550.
Physics
6
Auroras, Dawn Chorus, Io, Jupiter Atmosphere, Planetary Magnetospheres, Plasma Waves, Very Low Frequencies, Aeronomy, Energetic Particles, Ionospheric Electron Density, Planetary Ionospheres, Radio Beacons, Wave Propagation, Whistlers, Jupiter, Satellites, Io, Plasma Torus, Waves, Models, Resonance, Flux, Interaction, Auroras, Radiation Belts, Particles, Voyager Spacecraft, Entrapment, Precipitation, Ionosphere, Equatorial Regions, Experiments
Scientific paper
A test particle model of the cyclotron resonance interaction of waves and trapped radiation belt particles is used to estimate the energetic electron fluxes precipitated by Jovian VLF chorus waves observed on the Voyager 1 and 2 spacecraft near the Io torus. The precipitation fluxes induced by 1-s-long chorus wave packets at L ≅ 7.6 and 8.6 are estimated to be bursts of ≡5 s duration with a peak of 0.3 - 3 and 0.7 - 7 ergs/cm2s that consist of electrons of ≡5 - 100 keV energy and that arrives at the ionosphere ≡15 s after the generation of the chorus wave at the equatorial plane. The effects in the Jovian ionosphere of the chorus-induced precipitation are estimated using existing ionospheric models. A possible experiment for measuring Jovian chorus-induced aurora is proposed and discussed.
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