Alfvénic Acceleration Sustains Ganymede's Footprint Tail Aurora

Alfvénic Acceleration Sustains Ganymede's Footprint Tail Aurora

Abstract Integrating simultaneous in situ measurements of magnetic field fluctuations, precipitating electrons, and ultraviolet auroral emissions, we find that Alfvénic acceleration mechanisms are responsible for Ganymede's auroral footprint tail. Magnetic field perturbations exhibit enhanced A...

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Main Authors: J. R. Szalay, F. Allegrini, F. Bagenal, S. J. Bolton, B. Bonfond, G. Clark, J. E. P. Connerney, R. W. Ebert, D. J. Gershman, R. S. Giles, G. R. Gladstone, T. Greathouse, G. B. Hospodarsky, M. Imai, W. S. Kurth, S. Kotsiaros, P. Louarn, D. J. McComas, J. Saur, A. H. Sulaiman, R. J. Wilson
Format: Article
Language:English
Published: Wiley 2020-02-01
Series:Geophysical Research Letters
Online Access:https://doi.org/10.1029/2019GL086527
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