IGGCAS OpenIR  > 地球与行星物理院重点实验室
Multiple X-line Reconnection Observed in Mercury's Magnetotail Driven by an Interplanetary Coronal Mass Ejection
Zhong, J.1; Lee, L. C.2,3; Wang, X. G.4; Pu, Z. Y.5; He, J. S.5; Wei, Y.1; Wan, W. X.1
2020-04-10
Source PublicationASTROPHYSICAL JOURNAL LETTERS
ISSN2041-8205
Volume893Issue:1Pages:5
AbstractHow magnetic reconnection drives Mercury's magnetospheric dynamics under extreme solar wind conditions is not well understood. Here we report MESSENGER observations of an active reconnection event in Mercury's magnetotail driven by an interplanetary coronal mass ejection on 2011 November 23. The primary Hall magnetic field, sequential passage of X-lines with Hall field perturbations, and flux ropes (FRs) provide unambiguous evidence of multiple X-line reconnection in an unstable ion diffusion region. In addition, large FRs consisting of multiple successive small-scale FRs are ejected tailward at quasi-periodic intervals of similar to 1 minute, which is comparable to the Dungey cycle time. We propose that these large FRs are generated by the interaction and coalescence of multiple ion-scale FRs. This is distinct from the commonly accepted Earth-like substorm process where plasmoids are created by widely separated X-lines in the magnetotail. These observations suggest that during extreme solar wind conditions multiple X-line reconnection may dominate the tail reconnection process and control the global dynamics of Mercury's magnetosphere.
KeywordSolar magnetic reconnection Mercury (planet) Space plasmas Planetary magnetosphere Solar coronal mass ejections Solar-planetary interactions
DOI10.3847/2041-8213/ab8380
Funding OrganizationStrategic 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 ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; 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 ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; 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 ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; 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 ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau
WOS KeywordMESSENGER OBSERVATIONS ; MAGNETIC RECONNECTION ; COLLISIONLESS RECONNECTION ; INSTRUMENT ; SUBSTORMS ; FIELD
Language英语
Funding ProjectStrategic Priority Research Program of Chinese Academy of Sciences[XDA17010201] ; National Natural Science Foundation of China[41874198] ; National Natural Science Foundation of China[41674178] ; National Natural Science Foundation of China[41621004] ; National Natural Science Foundation of China[41874200] ; Science and Technology Development Fund (FDCT) of Macau[0035/2018/AFJ]
Funding OrganizationStrategic 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 ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; 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 ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; 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 ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; 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 ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau ; Science and Technology Development Fund (FDCT) of Macau
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000526404300001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95567
Collection地球与行星物理院重点实验室
Corresponding AuthorZhong, J.
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
2.Acad Sinica, Inst Earth Sci, Taipei, Taiwan
3.Macau Univ Sci & Technol, State Key Lab Lunar & Planetary Sci, Macau, Peoples R China
4.Harbin Inst Technol, Dept Phys, Harbin, Peoples R China
5.Peking Univ, Sch Earth & Space Sci, Beijing, Peoples R China
First Author AffilicationKey Laboratory of Earth and Planetary Physics, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Earth and Planetary Physics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhong, J.,Lee, L. C.,Wang, X. G.,et al. Multiple X-line Reconnection Observed in Mercury's Magnetotail Driven by an Interplanetary Coronal Mass Ejection[J]. ASTROPHYSICAL JOURNAL LETTERS,2020,893(1):5.
APA Zhong, J..,Lee, L. C..,Wang, X. G..,Pu, Z. Y..,He, J. S..,...&Wan, W. X..(2020).Multiple X-line Reconnection Observed in Mercury's Magnetotail Driven by an Interplanetary Coronal Mass Ejection.ASTROPHYSICAL JOURNAL LETTERS,893(1),5.
MLA Zhong, J.,et al."Multiple X-line Reconnection Observed in Mercury's Magnetotail Driven by an Interplanetary Coronal Mass Ejection".ASTROPHYSICAL JOURNAL LETTERS 893.1(2020):5.
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