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DOI | 10.1002/2016GL072454 |
Latitudinal beaming of Jovian decametric radio emissions as viewed from Juno and the Nancay Decameter Array | |
Imai, Masafumi1; Kurth, William S.1; Hospodarsky, George B.1; Bolton, Scott J.2; Connerney, John E. P.3; Levin, Steven M.; Lecacheux, Alain5; Lamy, Laurent5,6; Zarka, Philippe5,6 | |
2017-05-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:10 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; France |
英文摘要 | Two well-defined Jovian decametric radio arcs were observed at latitudinal separations of 11 degrees-16 degrees from the Juno spacecraft near Jupiter and the Nancay Decameter Array (NDA) at Earth on 17 May and 25 August 2016. These discrete arcs are from the so-called A source covering both Io-related and non-Io-related emissions. By measuring the wave arrival time at two distant observers with propagation time correction, the remaining delay times are 92.8 +/- 1.3 min for the first arc and 116.0 +/- 1.2 min for the second arc. This implies that both radio sources are not controlled by the orbital motion of Io but Jupiter's rotation itself. The geometrical information for Juno and NDA and the loss cone-driven electron cyclotron maser instability theory provide these radio sources that are located at about 173 degrees +/- 10 degrees in system III longitude projected onto Jupiter's north surface and imply resonant electron energy ranges from 0.5 to 11 keV. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000404131900010 |
WOS关键词 | IO FLUX TUBE ; JUPITER ; RADIATION ; VOYAGER |
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/26285 |
专题 | 气候变化 |
作者单位 | 1.Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA; 2.Southwest Res Inst, Space Sci Dept, San Antonio, TX USA; 3.NASA, Goddard Space Flight Ctr, Code 661, Greenbelt, MD 20771 USA; 4.CALTECH, Jet Prop Lab, Pasadena, CA USA; 5.UPMC, CNRS, Observ Paris, LESIA,SU,UPD,PSL, Pl J Janssen, Meudon, France; 6.Univ Orleans, Obs Paris, CNRS, Stn Radioastron Nancay,PSL, Nancay, France |
推荐引用方式 GB/T 7714 | Imai, Masafumi,Kurth, William S.,Hospodarsky, George B.,et al. Latitudinal beaming of Jovian decametric radio emissions as viewed from Juno and the Nancay Decameter Array[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(10). |
APA | Imai, Masafumi.,Kurth, William S..,Hospodarsky, George B..,Bolton, Scott J..,Connerney, John E. P..,...&Zarka, Philippe.(2017).Latitudinal beaming of Jovian decametric radio emissions as viewed from Juno and the Nancay Decameter Array.GEOPHYSICAL RESEARCH LETTERS,44(10). |
MLA | Imai, Masafumi,et al."Latitudinal beaming of Jovian decametric radio emissions as viewed from Juno and the Nancay Decameter Array".GEOPHYSICAL RESEARCH LETTERS 44.10(2017). |
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