Article (Scientific journals)
On the Relation Between Jovian Aurorae and the Loading/Unloading of the Magnetic Flux: Simultaneous Measurements From Juno, Hubble Space Telescope, and Hisaki
Yao, Zhonghua; Grodent, Denis; Kurth, W. S. et al.
2019In Geophysical Research Letters
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Keywords :
Magnetosphere; Space telescopes; Unloading; Electron energization; Hubble space telescopes; In-situ measurement; Loading and unloading; Magnetic loading; Magnetic reconnections; Simultaneous measurement; Simultaneous observation; Magnetic flux
Abstract :
[en] We present simultaneous observations of aurorae at Jupiter from the Hubble Space Telescope and Hisaki, in combination with the in situ measurements of magnetic field, particles, and radio waves from the Juno Spacecraft in the outer magnetosphere, from ~ 80RJ to 60RJ during 17 to 22 March 2017. Two cycles of accumulation and release of magnetic flux, named magnetic loading/unloading, were identified during this period, which correlate well with electron energization and auroral intensifications. Magnetic reconnection events are identified during both the loading and unloading periods, indicating that reconnection and unloading are independent processes. These results show that the dynamics in the middle magnetosphere are coupled with auroral variability. ©2019. American Geophysical Union. All Rights Reserved.
Research center :
STAR - Space sciences, Technologies and Astrophysics Research - ULiège
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Yao, Zhonghua ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Grodent, Denis  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Kurth, W. S.;  Department of Physics and Astronomy, University of Iowa, Iowa City, IA, United States
Clark, G.;  Applied Physics Laboratory, Johns Hopkins University, Laurel, MD, United States
Mauk, B. H.;  Applied Physics Laboratory, Johns Hopkins University, Laurel, MD, United States
Kimura, T.;  Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, Japan
Bonfond, Bertrand  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Ye, S.-Y.;  Department of Physics and Astronomy, University of Iowa, Iowa City, IA, United States
Lui, A. T.;  Applied Physics Laboratory, Johns Hopkins University, Laurel, MD, United States
Radioti, Aikaterini ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Palmaerts, Benjamin  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Dunn, W. R.;  University College London, Mullard Space Science Laboratory, Dorking, United Kingdom
Ray, L. C.;  Department of Physics, Lancaster University, Bailrigg, Lancaster, United Kingdom
Bagenal, F.;  Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, United States
Badman, S. V.;  Department of Physics, Lancaster University, Bailrigg, Lancaster, United Kingdom
Rae, I. J.;  University College London, Mullard Space Science Laboratory, Dorking, United Kingdom
Guo, Ruilong ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Pu, Z. Y.;  School of Earth and Space Sciences, Peking University, Beijing, China
Gérard, Jean-Claude  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Yoshioka, K.;  Department of Complexity Science and Engineering, University of Tokyo, Kashiwa, Japan
Nichols, J. D.;  Department of Physics and Astronomy, University of Leicester, Leicester, United Kingdom
Bolton, S. J.;  Southwest Research Institute, San Antonio, TX, United States
Levin, S. M.;  Jet Propulsion Laboratory, Pasadena, CA, United States
More authors (13 more) Less
Language :
English
Title :
On the Relation Between Jovian Aurorae and the Loading/Unloading of the Magnetic Flux: Simultaneous Measurements From Juno, Hubble Space Telescope, and Hisaki
Publication date :
2019
Journal title :
Geophysical Research Letters
ISSN :
0094-8276
eISSN :
1944-8007
Publisher :
Blackwell Publishing Ltd
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
NASA - National Aeronautics and Space Administration [US-DC] [US-DC]
BELSPO - Belgian Science Policy Office [BE]
JHU - Johns Hopkins University [US]
UCB - University of Colorado Boulder [US-CO] [US-CO]
JSPS - Japan Society for the Promotion of Science [JA]
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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