Physics
Scientific paper
Nov 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jgr....88.8959k&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 88, Nov. 1, 1983, p. 8959-8970.
Physics
27
Electrostatic Waves, Planetary Magnetospheres, Plasma Diagnostics, Saturn Atmosphere, Harmonic Radiation, Magnetospheric Electron Density, Particle Interactions, Voyager 1 Spacecraft, Voyager 2 Spacecraft, Wave Interaction
Scientific paper
The Voyager 1 and 2 plasma wave instruments have provided initial observations of electrostatic waves in Saturn's magnetosphere. In general, the emissions at Saturn are similar to those found at earth and Jupiter, although there are significant differences in some of the detailed characteristics. In this paper an overview is presented of the various types of electrostatic waves in the Saturnian magnetosphere, including Langmuir waves and electron cyclotron harmonic emissions. The temporal and spectral character, amplitude, and regions of occurrence for the various classes of emissions are summarized. These characteristics are compared with those of the terrestrial and Jovian counterparts with the goal of understanding how major differences in the magnetospheric configuration might contribute to the observed differences. Finally, the theory of electron cyclotron harmonic emissions is used to gain an insight into the electron distributions and possible wave-particle interactions in Saturn's magnetosphere.
Barbosa Domingos
Gurnett Donald A.
Kurth Willaim S.
Scarf Frederick L.
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