Saturn's electrostatic discharges - Properties and theoretical considerations

Details Saturn's electrostatic discharges - Properties and theoretical considerations Saturn's electrostatic discharges - Properties and theoretical considerations

May 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icar...54..267e&link_type=abstract

(Saturn Conference, Tucson, AZ, May 11-15, 1982) Icarus (ISSN 0019-1035), vol. 54, May 1983, p. 267-279.

Astronomy and Astrophysics

Astronomy

16

Electric Discharges, Radio Astronomy, Saturn (Planet), Voyager 1 Spacecraft, Frequency Shift, Kilometric Waves, Lightning, Saturn, Electrostatic Effects, Discharge, Theoretical Studies, Pra, Voyager Missions, Planetary Radio Astronomy Experiment, Formation, Models, Observations, Source, Regions, B Ring, Rings

Scientific paper

The properties of Saturn's electrostatic discharges (SED) as observed by the Voyager Planetary Radio Astronomy experiment during the two Voyager encounters with Saturn are summarized. Several models for the formation of SED are discussed in light of these observations. The most likely source regions appear to be either the equatorial zone of the planet or the dense part of the B ring near 1.80 Saturn radii. The strengths and weaknesses of each of these possibilities are examined. Neither possibility accounts fully for the observed SED properties in a simple way. A search for an anomaly near 1.80 Saturn radii in the data of other experiments aboard Voyager has been carried out, and at least one and possibly more such experiments do indeed obtain anomalous data at this point in the ring system. There thus appears to be unexplained phenomena at this point, independent of the PRA data, and it is a short step to postulate that a single object may be the cause of all such phenomena.

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