Other
Scientific paper
Jan 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sci...215..587s&link_type=abstract
Science, vol. 215, Jan. 29, 1982, p. 587-594. Navy-supported research;
Other
52
Planetary Magnetospheres, Plasma Diagnostics, Plasma Waves, Saturn Atmosphere, Shock Waves, Voyager 2 Spacecraft, Bow Waves, Electron Plasma, Gyrofrequency, Harmonic Analysis, Plasma Oscillations, Diagrams, Trajectories, Rings, Techniques, Saturn, Voyager 1, Harmonics, Voyager 2, Plasma Waves, Observations, Bow Shock, Distance, Asymmetry, Magnetosphere, Plasma Wave Instrument, Electrons, Oscillations, Resonance, Emissions, Electromagnetic Properties, Radioemissions, Particles, Size, Data, Spectrum, Analysis
Scientific paper
The first inbound Voyager 2 crossing of Saturn's bow shock (at 31.7 Saturn radii near local noon) and the last outbound crossing (at 87.4 Saturn radii near local dawn) had similar plasma wave signatures. However, many other aspects of the plasma wave measurements differed considerably during the inbound and outbound passes, suggesting the presence of effects associated with significant north-south or noon-dawn asymmetries, or temporal variations. Within Saturn's magnetosphere, the plasma wave instrument detected electron plasma oscillations, upper hybrid resonance emissions, half-gyrofrequency harmonics, hiss and chorus, narrowband electromagnetic emissions and broadband Saturn radio noise, and noise bursts with characteristics of static. At the ring plane crossing, the plasma wave instrument also detected a large number of intense impulses that were interpreted in terms of ring particle impacts on Voyager 2.
Gurnett Donald A.
Kurth Willaim S.
Poynter Robert L.
Scarf Frederick L.
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