抄録
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.
| 本文言語 | English |
|---|---|
| ページ（範囲） | 11632-11641 |
| ページ数 | 10 |
| ジャーナル | Geophysical Research Letters |
| 巻 | 46 |
| 号 | 21 |
| DOI | |
| 出版ステータス | Published - 2019 11月 16 |
ASJC Scopus subject areas
- 地球物理学
- 地球惑星科学（全般）
フィンガープリント
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On the Relation Between Jovian Aurorae and the Loading/Unloading of the Magnetic Flux : Simultaneous Measurements From Juno, Hubble Space Telescope, and Hisaki. / Yao, Z. H.; Grodent, D.; Kurth, W. S. その他.
In: Geophysical Research Letters, Vol. 46, No. 21, 16.11.2019, p. 11632-11641.研究成果: Article › 査読
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TY - JOUR
T1 - On the Relation Between Jovian Aurorae and the Loading/Unloading of the Magnetic Flux
T2 - Simultaneous Measurements From Juno, Hubble Space Telescope, and Hisaki
AU - Yao, Z. H.
AU - Grodent, D.
AU - Kurth, W. S.
AU - Clark, G.
AU - Mauk, B. H.
AU - Kimura, T.
AU - Bonfond, B.
AU - Ye, S. Y.
AU - Lui, A. T.
AU - Radioti, A.
AU - Palmaerts, B.
AU - Dunn, W. R.
AU - Ray, L. C.
AU - Bagenal, F.
AU - Badman, S. V.
AU - Rae, I. J.
AU - Guo, R. L.
AU - Pu, Z. Y.
AU - Gérard, J. C.
AU - Yoshioka, K.
AU - Nichols, J. D.
AU - Bolton, S. J.
AU - Levin, S. M.
N1 - Funding Information: Z. Y. acknowledges the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDA17010201). B. B. is a Research Associate of the Fonds de la Recherche Scientifique‐FNRS. Z. Y., D. G., B. P., and J. C. G. acknowledge the financial support from the Belgian Federal Science Policy Office (BELSPO) via the PRODEX Programme of ESA. Z. Y. very much appreciates the fruitful discussion with Dr Krishan Khurana at UCLA, Emmanuel Chané from KU Leuven, Jack Connerney from Goddard Space Flight Center, and Peter Delamere at University of Alaska. The research at the University of Iowa was supported by NASA through contract 699041X with the Southwest Research Institute. L. C. R. was funded by an STFC Consolidated Grant to Lancaster University (ST/R000816/1). W. D. and I.J. R. were funded by an STFC Consolidated Grant to University College London (ST/S000240/1). F. B. was supported by Juno and Hisaki missions. K. Y. acknowledges Grant‐in‐Aid for Scientific Research (B) 19H01948 funded by JSPS. The auroral images are based on observations with the NASA/ESA Hubble Space Telescope (program HST GO‐14634), obtained at the Space Telescope Science Institute (STScI), which is operated by AURA for NASA. All data are publicly available at STScI. All Juno data presented here are publicly available from NASA's Planetary Data System as part of the JNO‐J‐3‐FGM‐CAL‐V1.0, JNO‐J‐JED‐3‐CDR‐V1.0, and JNO‐E/J/SS‐WAV‐3‐CDR‐SRVFULL‐V1.0 data sets for the MAG, JEDI, and Waves instruments. We are grateful to JHU/APL's Lawrence E. Brown for his role in developing the core of the data display software used here, and we very much appreciate the Autoplot software that has greatly helped us in processing the Juno/Waves data. The Juno trajectory plot was made via http://www‐pw.physics.uiowa.edu/~jbg/junoplot.html . The data of Hisaki satellite is archived in the Data Archives and Transmission System (DARTS) JAXA ( https://www.darts.isas.jaxa.jp/stp/hisaki/ ). Users can access the data in DARTS directly. T. K. was supported by a Grant‐in‐Aid for Scientific Research (16K17812) from the Japan Society for the Promotion of Science (JSPS). Funding Information: Z. Y. acknowledges the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDA17010201). B. B. is a Research Associate of the Fonds de la Recherche Scientifique-FNRS. Z.?Y., D.?G., B.?P., and J.?C.?G. acknowledge the financial support from the Belgian Federal Science Policy Office (BELSPO) via the PRODEX Programme of ESA. Z.?Y. very much appreciates the fruitful discussion with Dr Krishan Khurana at UCLA, Emmanuel Chan? from KU Leuven, Jack Connerney from Goddard Space Flight Center, and Peter Delamere at University of Alaska. The research at the University of Iowa was supported by NASA through contract 699041X with the Southwest Research Institute. L.?C.?R. was funded by an STFC Consolidated Grant to Lancaster University (ST/R000816/1). W. D. and I.J. R. were funded by an STFC Consolidated Grant to University College London (ST/S000240/1). F. B. was supported by Juno and Hisaki missions. K. Y. acknowledges Grant-in-Aid for Scientific Research (B) 19H01948 funded by JSPS. The auroral images are based on observations with the NASA/ESA Hubble Space Telescope (program HST GO-14634), obtained at the Space Telescope Science Institute (STScI), which is operated by AURA for NASA. All data are publicly available at STScI. All Juno data presented here are publicly available from NASA's Planetary Data System as part of the JNO-J-3-FGM-CAL-V1.0, JNO-J-JED-3-CDR-V1.0, and JNO-E/J/SS-WAV-3-CDR-SRVFULL-V1.0 data sets for the MAG, JEDI, and Waves instruments. We are grateful to JHU/APL's Lawrence E. Brown for his role in developing the core of the data display software used here, and we very much appreciate the Autoplot software that has greatly helped us in processing the Juno/Waves data. The Juno trajectory plot was made via http://www-pw.physics.uiowa.edu/~jbg/junoplot.html. The data of Hisaki satellite is archived in the Data Archives and Transmission System (DARTS) JAXA (https://www.darts.isas.jaxa.jp/stp/hisaki/). Users can access the data in DARTS directly. T.?K. was supported by a Grant-in-Aid for Scientific Research (16K17812) from the Japan Society for the Promotion of Science (JSPS). Funding Information: Z. H. Yao zhonghua.yao@uliege.be D. Grodent W. S. Kurth G. Clark B. H. Mauk T. Kimura B. Bonfond S.‐Y. Ye A. T. Lui A. Radioti B. Palmaerts W. R. Dunn L. C. Ray F. Bagenal S. V. Badman I. J. Rae R. L. Guo Z. Y. Pu J.‐C. Gérard K. Yoshioka J. D. Nichols S. J. Bolton S. M. Levin Now at Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China Laboratoire de Physique Atmospherique et Planetaire, STAR Institute Universite de Liege Liege Belgium Department of Physics and Astronomy University of Iowa Iowa City IA USA Applied Physics Laboratory Johns Hopkins University Laurel MD USA Frontier Research Institute for Interdisciplinary Sciences Tohoku University Sendai Japan University College London Mullard Space Science Laboratory Dorking UK Department of Physics Lancaster University Bailrigg Lancaster UK Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA School of Earth and Space Sciences Peking University Beijing China Department of Complexity Science and Engineering University of Tokyo Kashiwa Japan Department of Physics and Astronomy University of Leicester Leicester UK Southwest Research Institute San Antonio TX USA Jet Propulsion Laboratory Pasadena CA USA Japan Society for the Promotion of Science (JSPS) 16K17812 STFC Consolidated Grant ST/R000816/1,ST/S000240/1 NASA 699041X Belgian Federal Science Policy Office (BELSPO) Publisher Copyright: © 2019. American Geophysical Union. All Rights Reserved.
PY - 2019/11/16
Y1 - 2019/11/16
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=85074815925&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85074815925&partnerID=8YFLogxK
U2 - 10.1029/2019GL084201
DO - 10.1029/2019GL084201
M3 - Article
AN - SCOPUS:85074815925
VL - 46
SP - 11632
EP - 11641
JO - Geophysical Research Letters
JF - Geophysical Research Letters
SN - 0094-8276
IS - 21
ER -