Statistical Survey of Interchange Events in the Jovian Magnetosphere Using Juno Observations

Abstract

Interchange instability is known to drive fast radial transport of electrons and ions in Jupiter's inner and middle magnetosphere. In this study, we conduct a statistical survey to evaluate the properties of energetic particles and plasma waves during interchange events using Juno data from 2016 to 2023. We present representative examples of interchange events followed by a statistical analysis of the spatial distribution, duration and spatial extent. Our survey indicates that interchange instability is predominant at M-shells from 6 to 26, peaking near 17 with an average duration of minutes and a corresponding M-shell width of