Articles | Volume 33, issue 10
Ann. Geophys., 33, 1211–1219, 2015
https://doi.org/10.5194/angeo-33-1211-2015
Ann. Geophys., 33, 1211–1219, 2015
https://doi.org/10.5194/angeo-33-1211-2015

Regular paper 01 Oct 2015

Regular paper | 01 Oct 2015

The far-ultraviolet main auroral emission at Jupiter – Part 2: Vertical emission profile

B. Bonfond et al.

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Cited

Latest update: 08 Mar 2021
Short summary
Early models of the main auroral emission at Jupiter assumed axisymmetry, but significant local time variability is obvious on any image of the Jovian aurorae. Here we use far-UV images from the Hubble Space Telescope to further characterize these variations on a statistical basis. We show that the dusk side sector is ~3 times brighter than the dawn side, and we suggest that such an asymmetry could be the result of a partial ring current in the nightside magnetosphere.