Planetary radio astronomy observations from Voyager 2 near Jupiter

Details Planetary radio astronomy observations from Voyager 2 near Jupiter Planetary radio astronomy observations from Voyager 2 near Jupiter

Nov 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979sci...206..991w&link_type=abstract

Science, vol. 206, Nov. 23, 1979, p. 991-995. Research supported by the Centre National d'Etudes Spatiales;

Astronomy and Astrophysics

Astronomy

28

Io, Jupiter (Planet), Plasma Waves, Radio Astronomy, Radio Bursts, Voyager 2 Spacecraft, Experiment Design, Faraday Effect, Graphs (Charts), Radio Frequency Discharge

Scientific paper

The Voyager 2 Planetary Radio Astronomy experiment to Jupiter has confirmed and extended to higher zenomagnetic latitudes results from the identical experiment carried by Voyager 1. The kilometric emissions discovered by Voyager 1 often extended to 1 megahertz or higher on Voyager 2 and often consisted of negatively, or less frequently, positively drifting narrowband bursts. On the basis of tentative identification of plasma wave emissions similar to those detected by Voyager 1, the plasma torus associated with Io appeared somewhat denser to Voyager 2 than it did to Voyager 1. The paper reports on quasi-periodic sinusoidal or impulsive bursts in the broadcast band range of wavelengths (800 to 1800 kHz). A Faraday effect appears at decametric frequencies, which probably results from propagation of the radiation near its sources on Jupiter. Finally, the occurrence of decametric emission in homologous arc families is discussed.

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