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DOI | 10.1002/2017GL075545 |
Understanding the Origin of Jupiter's Diffuse Aurora Using Juno's First Perijove Observations | |
Li, W.1,2; Thorne, R. M.2; Ma, Q.1,2; Zhang, X. -J.2; Gladstone, G. R.3,4; Hue, V.3; Valek, P. W.3,4; Allegrini, F.3,4; Mauk, B. H.5; Clark, G.5; Kurth, W. S.6; Hospodarsky, G. B.6; Connerney, J. E. P.7; Bolton, S. J.3 | |
2017-10-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:20 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Juno observed the low-altitude polar region during perijove 1 on 27 August 2016 for the first time. Auroral intensity and false-color maps from the Ultraviolet Spectrograph (UVS) instrument show extensive diffuse aurora observed equatorward of the main auroral oval. Juno passed over the diffuse auroral region near the System III longitude of 120 degrees-150 degrees (90 degrees-120 degrees) in the northern (southern) hemisphere. In the region where these diffuse auroral emissions were observed, the Jupiter Energetic Particle Detector Instrument (JEDI) and Jovian Auroral Distributions Experiment (JADE) instruments measured nearly full loss cone distributions for the downward going electrons over energies of 0.1-700 keV but very few upward going electrons. The false-color maps from UVS indicate more energetic electron precipitation at lower latitudes than less energetic electron precipitation, consistent with observations of precipitating electrons measured by JEDI and JADE. The comparison between particle and aurora measurements provides first direct evidence that these precipitating energetic electrons are mainly responsible for the diffuse auroral emissions at Jupiter. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000416761600010 |
WOS关键词 | WHISTLER-MODE CHORUS ; JOVIAN MAGNETOSPHERE ; INNER PART ; IO ; EMISSIONS ; PRECIPITATION ; ATMOSPHERE ; SPACECRAFT ; SCATTERING ; PARTICLES |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/27974 |
专题 | 气候变化 |
作者单位 | 1.Boston Univ, Ctr Space Phys, Boston, MA 02215 USA; 2.Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA 90095 USA; 3.Southwest Res Inst, San Antonio, TX USA; 4.Univ Texas San Antonio, Dept Phys & Astron, San Antonio, TX USA; 5.Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA; 6.Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA; 7.Goddard Space Flight Ctr, Greenbelt, MD USA |
推荐引用方式 GB/T 7714 | Li, W.,Thorne, R. M.,Ma, Q.,et al. Understanding the Origin of Jupiter's Diffuse Aurora Using Juno's First Perijove Observations[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(20). |
APA | Li, W..,Thorne, R. M..,Ma, Q..,Zhang, X. -J..,Gladstone, G. R..,...&Bolton, S. J..(2017).Understanding the Origin of Jupiter's Diffuse Aurora Using Juno's First Perijove Observations.GEOPHYSICAL RESEARCH LETTERS,44(20). |
MLA | Li, W.,et al."Understanding the Origin of Jupiter's Diffuse Aurora Using Juno's First Perijove Observations".GEOPHYSICAL RESEARCH LETTERS 44.20(2017). |
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