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 <∼0.05. During interchange events, the associated plasma waves, such as whistler‐mode, Z‐mode, and electron cyclotron harmonic waves exhibit a distinct preferential location. These findings provide valuable insights into particle transport and the source region of plasma waves in the Jovian magnetosphere, as well as in other magnetized planets within and beyond our solar system.
Authors
- Qianli Ma (ORCID: https://orcid.org/0000-0001-5452-4756)
- Wen Li (ORCID: https://orcid.org/0000-0003-3495-4550)
- Sheng Huang (ORCID: https://orcid.org/0000-0002-9951-8787)
- B. H. Mauk (ORCID: https://orcid.org/0000-0001-9789-3797)
- F. Allegrini (ORCID: https://orcid.org/0000-0003-0696-4380)
- W. S. Kŭrth (ORCID: https://orcid.org/0000-0002-5471-6202)
- Luisa Capannolo (ORCID: https://orcid.org/0000-0003-1755-9022)
- Alec Daly (ORCID: https://orcid.org/0000-0002-3912-8656)
- Xiaochen Shen (ORCID: https://orcid.org/0000-0003-1743-4262)
- S. J. Bolton (ORCID: https://orcid.org/0000-0002-9115-0789)
- G. B. Hospodarsky (ORCID: https://orcid.org/0000-0001-9200-9878)
- G. Clark (ORCID: https://orcid.org/0000-0002-5264-7194)
Institutions
- Boston University (US)
- University of Iowa (US)
- Southwest Research Institute (US)
- University of California, Los Angeles (US)
- Johns Hopkins University Applied Physics Laboratory (US)
- The University of Texas at San Antonio (US)
Publication Details
- Journal
- Geophysical Research Letters
- Published
- 2024-10-05
- DOI
- https://doi.org/10.1029/2024gl110300
- Citations
- 10
- Primary Topic
- Ionosphere and magnetosphere dynamics
- Type
- article
- Field-Weighted Citation Impact
- 3.32
Funders
- National Science Foundation
- National Aeronautics and Space Administration
- Nuclear Safety and Security Commission
- Planetary Science Division