AAS 202nd Meeting, May 2003
Session 33 Jupiter and Extrasolar Planets
Poster, Tuesday, May 27, 2003, 10:00am-6:30pm, West Exhbit Hall

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[33.01] Satellite Influence on Jupiter's Radio Emission

K. M. Klecker, C. A. Higgins (Middle Tennesse State University), J. D. Menietti (University of Iowa)

Jupiter decameter wavelength radio emissions have a well-known correlation with the orbital phase of Io. Recent analysis of Galileo spacecraft data show that Callisto, and to a lesser extent, Ganymede, influence Jovian radio emission as well. Additional data analysis from the Voyager 1 and 2 spacecraft confirm the Ganymede and Callisto effects. These results are best presented as occurrence probability graphs of satellite phase versus Jovian longitude, and as frequency-time spectrograms of emission intensity where the satellite longitude is made constant. In an attempt to quantify the significance of the correlations, we have completed a statistical analysis of the results. We analyzed the peak correlations of satellite phase occurrence probability versus Jovian longitude, and found a statistically significant correlation for Io, Ganymede, and Callisto. An analysis of all four Galilean satellites is displayed. This research is supported by NASA.

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