globalchange  > 科学计划与规划
DOI: 10.1002/2015GL063272
论文题名:
Transient internally driven aurora at Jupiter discovered by Hisaki and the Hubble Space Telescope
作者: Kimura T.; Badman S.V.; Tao C.; Yoshioka K.; Murakami G.; Yamazaki A.; Tsuchiya F.; Bonfond B.; Steffl A.J.; Masters A.; Kasahara S.; Hasegawa H.; Yoshikawa I.; Fujimoto M.; Clarke J.T.
刊名: Geophysical Research Letters
ISSN: 0094-8842
EISSN: 1944-8573
出版年: 2015
卷: 42, 期:6
起始页码: 1662
结束页码: 1668
语种: 英语
英文关键词: aurora ; energetic event ; Jupiter ; magnetosphere
Scopus关键词: Magnetosphere ; Aurora ; Auroral emission ; Energetic event ; Hubble space telescopes ; Intense emission ; Jupiters ; Planetary rotation ; Polar cap region ; Space telescopes ; aurora ; Jupiter ; magnetosphere ; planetary atmosphere ; rotation ; space technology
英文摘要: Jupiter's auroral emissions reveal energy transport and dissipation through the planet's giant magnetosphere. While the main auroral emission is internally driven by planetary rotation in the steady state, transient brightenings are generally thought to be triggered by compression by the external solar wind. Here we present evidence provided by the new Hisaki spacecraft and the Hubble Space Telescope that shows that such brightening of Jupiter's aurora can in fact be internally driven. The brightening has an excess power up to ∼550 GW. Intense emission appears from the polar cap region down to latitudes around Io's footprint aurora, suggesting a rapid energy input into the polar region by the internal plasma circulation process. Key Points Energy is rapidly supplied to Jovian aurora during the solar wind quiet period Auroral morphology suggests a global change in the auroral process This suggests an internally driven disturbance during the quiet period ©2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84927788263&doi=10.1002%2f2015GL063272&partnerID=40&md5=2f6a2f5892c660e199a98cffba615b90
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8458
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan

Recommended Citation:
Kimura T.,Badman S.V.,Tao C.,et al. Transient internally driven aurora at Jupiter discovered by Hisaki and the Hubble Space Telescope[J]. Geophysical Research Letters,2015-01-01,42(6).
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