Electron cyclotron harmonic waves in Jovian magnetosphere as seen by Juno
Electron cyclotron harmonic (ECH) waves along with whistler mode waves are suggested to be responsible for causing the persistent diffuse aurora in Jupiter. In this work, for the first time we systematically analyze the ECH waves in the Jovian inner magnetosphere, which was surveyed by Juno during t...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2023-11-01
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| Series: | Frontiers in Astronomy and Space Sciences |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fspas.2023.1274760/full |
| _version_ | 1797635137166376960 |
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| author | J. Joseph A. N. Jaynes W. S. Kurth J. D. Menietti J. E. P. Connerney S. J. Bolton |
| author_facet | J. Joseph A. N. Jaynes W. S. Kurth J. D. Menietti J. E. P. Connerney S. J. Bolton |
| author_sort | J. Joseph |
| collection | DOAJ |
| description | Electron cyclotron harmonic (ECH) waves along with whistler mode waves are suggested to be responsible for causing the persistent diffuse aurora in Jupiter. In this work, for the first time we systematically analyze the ECH waves in the Jovian inner magnetosphere, which was surveyed by Juno during the later orbits (>25). We find that in the Jovian inner magnetosphere, ECH waves occur in two specific regions—one equatorial and the other off-equatorial, just outside the Io torus. Equatorial ECH waves have higher intensity compared to their off-equatorial counterpart. We also notice an overlap between the region of mid-latitude hot injections and the region of off-equatorial ECH wave occurrence. Finally, we show an event to describe the complex nature of ECH wave growth/damping varying with particle density structures of the injection region at mid-latitude. |
| first_indexed | 2024-03-11T12:18:03Z |
| format | Article |
| id | doaj.art-d288380e2a054a38a540bce59b9c5ae2 |
| institution | Directory Open Access Journal |
| issn | 2296-987X |
| language | English |
| last_indexed | 2024-03-11T12:18:03Z |
| publishDate | 2023-11-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Astronomy and Space Sciences |
| spelling | doaj.art-d288380e2a054a38a540bce59b9c5ae22023-11-07T07:24:34ZengFrontiers Media S.A.Frontiers in Astronomy and Space Sciences2296-987X2023-11-011010.3389/fspas.2023.12747601274760Electron cyclotron harmonic waves in Jovian magnetosphere as seen by JunoJ. Joseph0A. N. Jaynes1W. S. Kurth2J. D. Menietti3J. E. P. Connerney4S. J. Bolton5Department of Physics and Astronomy, University of Iowa, Iowa City, IA, United StatesDepartment of Physics and Astronomy, University of Iowa, Iowa City, IA, United StatesDepartment of Physics and Astronomy, University of Iowa, Iowa City, IA, United StatesDepartment of Physics and Astronomy, University of Iowa, Iowa City, IA, United StatesGoddard Space Flight Center, Greenbelt, MD, United StatesSouthwest Research Institute, San Antonio, TX, United StatesElectron cyclotron harmonic (ECH) waves along with whistler mode waves are suggested to be responsible for causing the persistent diffuse aurora in Jupiter. In this work, for the first time we systematically analyze the ECH waves in the Jovian inner magnetosphere, which was surveyed by Juno during the later orbits (>25). We find that in the Jovian inner magnetosphere, ECH waves occur in two specific regions—one equatorial and the other off-equatorial, just outside the Io torus. Equatorial ECH waves have higher intensity compared to their off-equatorial counterpart. We also notice an overlap between the region of mid-latitude hot injections and the region of off-equatorial ECH wave occurrence. Finally, we show an event to describe the complex nature of ECH wave growth/damping varying with particle density structures of the injection region at mid-latitude.https://www.frontiersin.org/articles/10.3389/fspas.2023.1274760/fullelectron cyclotron harmonic waveselectron injectionwave-particle interactionspin modulationJovian magnetosphere |
| spellingShingle | J. Joseph A. N. Jaynes W. S. Kurth J. D. Menietti J. E. P. Connerney S. J. Bolton Electron cyclotron harmonic waves in Jovian magnetosphere as seen by Juno Frontiers in Astronomy and Space Sciences electron cyclotron harmonic waves electron injection wave-particle interaction spin modulation Jovian magnetosphere |
| title | Electron cyclotron harmonic waves in Jovian magnetosphere as seen by Juno |
| title_full | Electron cyclotron harmonic waves in Jovian magnetosphere as seen by Juno |
| title_fullStr | Electron cyclotron harmonic waves in Jovian magnetosphere as seen by Juno |
| title_full_unstemmed | Electron cyclotron harmonic waves in Jovian magnetosphere as seen by Juno |
| title_short | Electron cyclotron harmonic waves in Jovian magnetosphere as seen by Juno |
| title_sort | electron cyclotron harmonic waves in jovian magnetosphere as seen by juno |
| topic | electron cyclotron harmonic waves electron injection wave-particle interaction spin modulation Jovian magnetosphere |
| url | https://www.frontiersin.org/articles/10.3389/fspas.2023.1274760/full |
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