Strong whistler mode waves observed in the vicinity of Jupiter’s moons

Shprits, Yuri Y.; Menietti, John D.; Drozdov, Alexander Y.; Horne, Richard B. ORCID: https://orcid.org/0000-0002-0412-6407; Woodfield, Emma E. ORCID: https://orcid.org/0000-0002-0531-8814; Groene, Joseph B.; de Soria-Santacruz, Maria; Averkamp, Terrance F.; Garrett, Henry; Paranicas, Christopher; Gurnett, Donald A.. 2018 Strong whistler mode waves observed in the vicinity of Jupiter’s moons. Nature Communications, 9, 3131. https://doi.org/10.1038/s41467-018-05431-x

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Text Creative Commons BY Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. Shprits.pdf - Published Version Available under License Creative Commons Attribution 4.0. Download (1MB) | Preview

Abstract/Summary

Understanding of wave environments is critical for the understanding of how particles are accelerated and lost in space. This study shows that in the vicinity of Europa and Ganymede, that respectively have induced and internal magnetic fields, chorus wave power is significantly increased. The observed enhancements are persistent and exceed median values of wave activity by up to 6 orders of magnitude for Ganymede. Produced waves may have a pronounced effect on the acceleration and loss of particles in the Jovian magnetosphere and other astrophysical objects. The generated waves are capable of significantly modifying the energetic particle environment, accelerating particles to very high energies, or producing depletions in phase space density. Observations of Jupiter’s magnetosphere provide a unique opportunity to observe how objects with an internal magnetic field can interact with particles trapped in magnetic fields of larger scale objects.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1038/s41467-018-05431-x
ISSN:	20411723
Date made live:	15 Aug 2018 09:32 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/520438

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