globalchange  > 气候减缓与适应
DOI: 10.1002/2017JA025046
Scopus记录号: 2-s2.0-85046144486
论文题名:
Jupiter's Aurora Observed With HST During Juno Orbits 3 to 7
作者: Grodent D.; Bonfond B.; Yao Z.; Gérard J.-C.; Radioti A.; Dumont M.; Palmaerts B.; Adriani A.; Badman S.V.; Bunce E.J.; Clarke J.T.; Connerney J.E.P.; Gladstone G.R.; Greathouse T.; Kimura T.; Kurth W.S.; Mauk B.H.; McComas D.J.; Nichols J.D.; Orton G.S.; Roth L.; Saur J.; Valek P.
刊名: Journal of Geophysical Research: Space Physics
ISSN: 21699380
出版年: 2018
卷: 123, 期:5
起始页码: 3299
结束页码: 3319
语种: 英语
英文关键词: aurora ; Hubble ; Juno ; Jupiter ; magnetosphere
英文摘要: A large set of observations of Jupiter's ultraviolet aurora was collected with the Hubble Space Telescope concurrently with the NASA-Juno mission, during an eight-month period, from 30 November 2016 to 18 July 2017. These Hubble observations cover Juno orbits 3 to 7 during which Juno in situ and remote sensing instruments, as well as other observatories, obtained a wealth of unprecedented information on Jupiter's magnetosphere and the connection with its auroral ionosphere. Jupiter's ultraviolet aurora is known to vary rapidly, with timescales ranging from seconds to one Jovian rotation. The main objective of the present study is to provide a simplified description of the global ultraviolet auroral morphology that can be used for comparison with other quantities, such as those obtained with Juno. This represents an entirely new approach from which logical connections between different morphologies may be inferred. For that purpose, we define three auroral subregions in which we evaluate the auroral emitted power as a function of time. In parallel, we define six auroral morphology families that allow us to quantify the variations of the spatial distribution of the auroral emission. These variations are associated with changes in the state of the Jovian magnetosphere, possibly influenced by Io and the Io plasma torus and by the conditions prevailing in the upstream interplanetary medium. This study shows that the auroral morphology evolved differently during the five ~2 week periods bracketing the times of Juno perijove (PJ03 to PJ07), suggesting that during these periods, the Jovian magnetosphere adopted various states. ©2018. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/114001
Appears in Collections:气候减缓与适应

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作者单位: Laboratoire de Physique Atmosphérique et Planétaire, STAR Institute, Université de Liège, Liège, Belgium; Istituto di Astrofisica e Planetologia Spaziali, INAF, Rome, Italy; Physics Department, Lancaster University, Lancaster, United Kingdom; Department of Physics and Astronomy, University of Leicester, Leicester, United Kingdom; Center for Space Physics, Boston University, Boston, MA, United States; Solar System Exploration Division, Planetary Magnetospheres Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, United States; Space Science Department, Southwest Research Institute, San Antonio, TX, United States; RIKEN, Wako, Japan; Department of Physics and Astronomy, The University of Iowa, Iowa City, IA, United States; Applied Physics Laboratory, The Johns Hopkins University, Laurel, MD, United States; Department of Astrophysical Sciences, Princeton University, Princeton, NJ, United States; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States; School of Electrical Engineering, Royal Institute of Technology KTH, Stockholm, Sweden; Institute of Geophysics and Meteorology, University of Cologne, Cologne, Germany; Department of Physics and Astronomy, University of Texas at San Antonio, San Antonio, TX, United States

Recommended Citation:
Grodent D.,Bonfond B.,Yao Z.,et al. Jupiter's Aurora Observed With HST During Juno Orbits 3 to 7[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(5)
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