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  2. 地质与地球物理研究所
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  4. 中国科学院地球与行星物理重点实验室
An Eastward Current Encircling Mercury

文献类型：期刊论文

作者Shi, Z.5,6; Rong, Z. J.5,6,8; Fatemi, S.9; Slavin, J. A.2; Klinger, L.3; Dong, C.4,7; Wang, L.4,7; Zhong, J.5,6,8; Raines, J. M.2; Holmstrom, M.1
刊名GEOPHYSICAL RESEARCH LETTERS
出版日期2022-05-28
卷号49期号:10页码:10
关键词Mercury Hermean magnetosphere eastward current
ISSN号0094-8276
DOI10.1029/2022GL098415
英文摘要Mercury has a terrestrial-like magnetosphere which is usually taken as a scaled-down-version of Earth's magnetosphere with a similar current system. We examine Mercury's magnetospheric current system based on a survey of Mercury's magnetic field measured by the Mercury Surface, Space Environment, Geochemistry, and Ranging spacecraft as well as computer simulations. We show that there is no significant Earth-like ring current flowing westward around Mercury, instead, we find, for the first time, an eastward current (EC) encircling the planet near the night-side magnetic equator with an altitude of similar to 500-1,000 km. The EC is closed with the dayside magnetopause current and could be driven by the gradient of plasma pressure as a diamagnetic current. Thus, Mercury's magnetosphere is not a scaled-down Earth magnetosphere, but a unique natural space plasma laboratory. Our findings offer fresh insights to analyze data from the BepiColombo mission, which is expected to orbit Mercury in 2025.
WOS关键词MAGNETIC-FIELD ; SOLAR-WIND ; MESSENGER MAGNETOMETER ; SPATIAL-DISTRIBUTION ; ENERGETIC PARTICLE ; PLASMA SHEET ; MAGNETOSPHERE ; IONS ; SIMULATIONS ; INSTRUMENT
资助项目Strategic Priority Research Program of Chinese Academy of Sciences[XDB 41000000] ; National Natural Science Foundation of China[41922031] ; National Natural Science Foundation of China[41774188] ; Key Research Program of the Institute of Geology & Geophysics, CAS[IGGCAS-201904] ; Key Research Program of the Institute of Geology & Geophysics, CAS[IGGCAS-202102] ; Key Research Program of Chinese Academy of Sciences[ZDBS-SSW-TLC00103] ; Swedish Research Council (VR)[2018-03454] ; Swedish National Space Agency (SNSA)[115/18]
WOS研究方向Geology
语种英语
WOS记录号WOS:000799056800001
出版者AMER GEOPHYSICAL UNION
资助机构Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Key Research Program of Chinese Academy of Sciences ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish Research Council (VR) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA) ; Swedish National Space Agency (SNSA)
源URL[http://ir.iggcas.ac.cn/handle/132A11/105931]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Rong, Z. J.
作者单位1.Swedish Inst Space Phys, Kiruna, Sweden
2.Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA
3.Peking Univ, Beijing Int Ctr Math Res, Beijing, Peoples R China
4.Princeton Univ, Princeton Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA
5.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
6.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
7.Princeton Univ, Dept Astrophys, Princeton, NJ 08544 USA
8.Chinese Acad Sci, Inst Geol & Geophys, Mohe Observ Geophys, Beijing, Peoples R China
9.Umea Univ, Dept Phys, Umea, Sweden
推荐引用方式
GB/T 7714		 Shi, Z.,Rong, Z. J.,Fatemi, S.,et al. An Eastward Current Encircling Mercury[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(10):10.
APA Shi, Z..,Rong, Z. J..,Fatemi, S..,Slavin, J. A..,Klinger, L..,...&Wei, Y..(2022).An Eastward Current Encircling Mercury.GEOPHYSICAL RESEARCH LETTERS,49(10),10.
MLA Shi, Z.,et al."An Eastward Current Encircling Mercury".GEOPHYSICAL RESEARCH LETTERS 49.10(2022):10.

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来源：地质与地球物理研究所

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