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The Saturnian kilometric radiation before the Cassini Grand Finale

Abstract : The Saturnian Kilometric Radiation (SKR) is radiated from the auroral regions surrounding the Kronian magnetic poles, above the ionosphere up to a few planetary radii. It directly compares to the auroral radio emissions emanating from other planetary magnetospheres such as Earth and the giant planets. Our knowledge on SKR relied on remote observations of the Voyagers (flybys in 1980 and 1981) and Ulysses (distant observations in the 1990s) until Cassini started to orbit Saturn in 2004. Since then, it has been routinely observed from a large set of remote locations, but also in-situ for the first time at a planet other than Earth. This article reviews the state of the art of SKR average remote properties, the first insights brought by in-situ passes within its source region, together with some remaining questions before the Cassini Grand Finale and its close-in polar orbits.
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https://hal-insu.archives-ouvertes.fr/insu-03717083
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Submitted on : Friday, July 8, 2022 - 8:34:05 AM
Last modification on : Wednesday, August 3, 2022 - 3:59:26 AM

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L. Lamy. The Saturnian kilometric radiation before the Cassini Grand Finale. Planetary Radio Emissions VIII, 0000, à renseigner, Unknown Region. pp.171-190, ⟨10.1553/PRE8s171⟩. ⟨insu-03717083⟩

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