Juno Plasma Wave Observations at Ganymede

W. S. Kurth; A. H. Sulaiman; G. B. Hospodarsky; J D Menietti; B H Mauk; G. Clark; F. Allegrini; P. Valek; J. E. P. Connerney; J. H. Waite; S. J. Bolton; M. Imai; O. Santolik; W. Li; S. Duling; J. Saur; C. Louis

doi:10.1029/2022GL098591

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Juno Plasma Wave Observations at Ganymede

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Juno Plasma Wave Observations at Ganymede

W. S. Kurth, A. H. Sulaiman, G. B. Hospodarsky, J D Menietti, B H Mauk, G. Clark, F. Allegrini, P. Valek, J. E. P. Connerney, J. H. Waite, …

Geophysical research letters, Vol.49(23), e2022GL098591

05/13/2022

DOI: 10.1029/2022GL098591

Appears in UI Libraries Support Open Access

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Abstract

The Juno Waves instrument measured plasma waves associated with Ganymede's magnetosphere during its flyby on 7 June, day 158, 2021. Three distinct regions were identified including a wake, and nightside and dayside regions in the magnetosphere distinguished by their electron densities and associated variability. The magnetosphere includes electron cyclotron harmonic emissions including a band at the upper hybrid frequency, as well as whistler-mode chorus and hiss. These waves likely interact with energetic electrons in Ganymede's magnetosphere by pitch angle scattering and/or accelerating the electrons. The wake is accentuated by low-frequency turbulence and electrostatic solitary waves. Radio emissions observed before and after the flyby likely have their source in Ganymede's magnetosphere.

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Ganymede

plasma waves

Juno

Details

Title: Subtitle: Juno Plasma Wave Observations at Ganymede
Creators: W. S. Kurth - University of Iowa
A. H. Sulaiman - University of Iowa
G. B. Hospodarsky - University of Iowa
J D Menietti - University of Iowa
B H Mauk - Johns Hopkins University
G. Clark - Johns Hopkins University Applied Physics Laboratory
F. Allegrini - Southwest Research Institute
P. Valek - Southwest Research Institute
J. E. P. Connerney - Goddard Space Flight Center
J. H. Waite - Southwest Research Institute
S. J. Bolton - Southwest Research Institute
M. Imai - National Institute of Technology, Niihama College
O. Santolik - Charles University
W. Li - Boston University
S. Duling - University of Cologne
J. Saur - University of Cologne
C. Louis - Dublin Institute For Advanced Studies
Resource Type: Journal article
Publication Details: Geophysical research letters, Vol.49(23), e2022GL098591
DOI: 10.1029/2022GL098591
ISSN: 0094-8276
eISSN: 1944-8007
Publisher: Wiley
Grant note: DOI: 10.13039/100011766, name: Southwest Research Institute, award: 699041X
Language: English
Date published: 05/13/2022
Academic Unit: Physics and Astronomy
Record Identifier: 9984323231002771

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