IGGCAS OpenIR  > 地球与行星物理院重点实验室
Observational evidence of ring current in the magnetosphere of Mercury
Zhao, J-T1; Zong, Q-G1,2; Yue, C.1; Sun, W-J3; Zhang, H.4; Zhou, X-Z1; Le, G.5; Rankin, R.6; Slavin, J. A.3; Raines, J. M.3; Liu, Y.1; Wei, Y.7
2022-02-17
Source PublicationNATURE COMMUNICATIONS
Volume13Issue:1Pages:10
AbstractThe magnetic gradient and curvature drift of energetic ions can form a longitudinal electric current around a planet known as the ring current, that has been observed in the intrinsic magnetospheres of Earth, Jupiter, and Saturn. However, there is still a lack of observational evidence of ring current in Mercury's magnetosphere, which has a significantly weaker dipole magnetic field. Under such conditions, charged particles are thought to be efficiently lost through magnetopause shadowing and/or directly impact the planetary surface. Here, we present the observational evidence of Mercury's ring current by analysing particle measurements from MErcury Surface, Space Environment, GEochemistry, and Ranging (MESSENGER) spacecraft. The ring current is bifurcated because of the dayside off-equatorial magnetic minima. Test-particle simulation with Mercury's dynamic magnetospheric magnetic field model (KT17 model) validates this morphology. The ring current energy exceeds 5x10(10) J during active times, indicating that magnetic storms may also occur on Mercury.
DOI10.1038/s41467-022-28521-3
Funding OrganizationMajor Project of Chinese National Programs for Fundamental Research and Development ; Major Project of Chinese National Programs for Fundamental Research and Development ; China Space Agency ; China Space Agency ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Major Project of Chinese National Programs for Fundamental Research and Development ; Major Project of Chinese National Programs for Fundamental Research and Development ; China Space Agency ; China Space Agency ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Major Project of Chinese National Programs for Fundamental Research and Development ; Major Project of Chinese National Programs for Fundamental Research and Development ; China Space Agency ; China Space Agency ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Major Project of Chinese National Programs for Fundamental Research and Development ; Major Project of Chinese National Programs for Fundamental Research and Development ; China Space Agency ; China Space Agency ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS KeywordFIELD-ALIGNED CURRENTS ; MESSENGER OBSERVATIONS ; ENERGETIC PARTICLE ; MAGNETIC-FIELD ; PLASMA ; MAGNETOPAUSE ; PROTONS
Language英语
Funding ProjectMajor Project of Chinese National Programs for Fundamental Research and Development[2021YFA0718600] ; China Space Agency[D020301] ; China Space Agency[D020303] ; National Key R&D Program of China[2020YFE0202100] ; National Natural Science Foundation of China[42011530080] ; National Natural Science Foundation of China[41974191]
Funding OrganizationMajor Project of Chinese National Programs for Fundamental Research and Development ; Major Project of Chinese National Programs for Fundamental Research and Development ; China Space Agency ; China Space Agency ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Major Project of Chinese National Programs for Fundamental Research and Development ; Major Project of Chinese National Programs for Fundamental Research and Development ; China Space Agency ; China Space Agency ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Major Project of Chinese National Programs for Fundamental Research and Development ; Major Project of Chinese National Programs for Fundamental Research and Development ; China Space Agency ; China Space Agency ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Major Project of Chinese National Programs for Fundamental Research and Development ; Major Project of Chinese National Programs for Fundamental Research and Development ; China Space Agency ; China Space Agency ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000757851300003
PublisherNATURE PORTFOLIO
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/104940
Collection地球与行星物理院重点实验室
Corresponding AuthorZong, Q-G; Yue, C.
Affiliation1.Peking Univ, Inst Space Phys & Appl Technol, Beijing 100871, Peoples R China
2.Polar Res Inst China, Shanghai 200136, Peoples R China
3.Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA
4.Univ Alaska Fairbanks, Geophys Inst, Fairbanks, AK 99775 USA
5.NASA, Goddard Space Flight Ctr, ITM Lab, Heliophys Sci Div, Greenbelt, MD USA
6.Univ Alberta, Dept Phys, Edmonton, AB T6G 2R3, Canada
7.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Zhao, J-T,Zong, Q-G,Yue, C.,et al. Observational evidence of ring current in the magnetosphere of Mercury[J]. NATURE COMMUNICATIONS,2022,13(1):10.
APA Zhao, J-T.,Zong, Q-G.,Yue, C..,Sun, W-J.,Zhang, H..,...&Wei, Y..(2022).Observational evidence of ring current in the magnetosphere of Mercury.NATURE COMMUNICATIONS,13(1),10.
MLA Zhao, J-T,et al."Observational evidence of ring current in the magnetosphere of Mercury".NATURE COMMUNICATIONS 13.1(2022):10.
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