Radio Jupiter after Voyager: an overview of the Planetary Radio Astronomy observations

Details Radio Jupiter after Voyager: an overview of the Planetary Radio Astronomy observations Radio Jupiter after Voyager: an overview of the Planetary Radio Astronomy observations

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980stin...8120988b&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Jupiter (Planet), Radio Astronomy, Radio Emission, Voyager Project, Bursts, Electron Density (Concentration), Io, Plasmas (Physics), Radiometers, Spacecraft Instruments, Toruses

Scientific paper

Jupiter's low frequency radio emission morphology as observed by the Planetary Radio Astronomy (PRA) instrument onboard the Voyager spacecraft is reviewed. The PRA measurement capabilities and limitations are summarized following over two years of experience with the instrument. As a direct consequence of the PRA spacecraft observations, unprecedented in terms of their sensitivity and frequency coverage, at least three previous unrecognized emission components were discovered: broadband and narrow band kilometric emission and the lesser arc decametric emission. Their properties are reviewed. In addition, the fundamental structure of the decameter and hectometer wavelength emission, which is believed to be almost exclusively in the form of complex but repeating arc structures in the frequency time domain, is described. Dramatic changes in the emission morphology of some components as a function of Sun-Jupiter-spacecraft angle (local time) are described. Finally, the PRA in suit measurements of the Io plasma torus hot to cold electron density and temperature ratios are summarized.

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