IGGCAS OpenIR  > 地球与行星物理院重点实验室
The Induced Global Looping Magnetic Field on Mars
Chai, Lihui1,2; Wan, Weixing1; Wei, Yong1; Zhang, Tielong3; Exner, Willi4; Fraenz, Markus5; Dubinin, Eduard5; Feyerabend, Moritz4; Motschmann, Uwe4,6; Ma, Yingjuan7; Halekas, J. S.8; Li, Yi9; Rong, Zhaojin1; Zhong, Jun1
2019-02-01
发表期刊ASTROPHYSICAL JOURNAL LETTERS
ISSN2041-8205
卷号871期号:2页码:7
摘要Magnetic fields inconsistent with draped interplanetary magnetic fields and crustal fields have been observed on Mars. Considering the discovery of a global looping magnetic field around the Venusian magnetotail and the similarities in the solar wind interactions between Mars and Venus, we use Mars Atmosphere and Volatile Evolution observations to investigate the global looping field on Mars and its formation mechanism. It is found that a global looping field also exists on Mars; therefore, this type of global looping field is a common feature of unmagnetized planetary bodies with ionospheres, and therefore should also exist on Titan and near- Sun comets. The comparison of the looping fields on Mars and Venus shows that the looping field is stronger on Mars. Solar wind azimuthal flows around the magnetotail toward the -E magnetotail polar region (X-MSE < 0, Y-MSE = 0, Z(MSE) < - 1R(M)) are observed. We illustrate that the looping field can be formed by bending the draped field lines with these azimuthal flows, and that these azimuthal flows are associated with heavy ion plumes along the +E direction that are expected to be stronger on Mars than Venus. The current system associated with the looping field and its possible connection with the nightside ionosphere formations and ion escapes on Mars and Venus are discussed.
关键词magnetic fields planets and satellites: magnetic fields plasmas solar-terrestrial relations solar wind
DOI10.3847/2041-8213/aaff6e
资助者National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China
关键词[WOS]SOLAR-WIND ; MARTIAN MAGNETOTAIL ; BIRKELAND CURRENTS ; VENUS ; MAVEN ; IONOSPHERE ; MORPHOLOGY ; ORIGIN ; CRUST
语种英语
资助项目National Science Foundation of China[41621063] ; National Science Foundation of China[41674177] ; National Science Foundation of China[41874208] ; National Science Foundation of China[41404138] ; National Science Foundation of China[41525016] ; National Science Foundation of China[41474155]
资助者National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000457104300003
出版者IOP PUBLISHING LTD
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/90178
专题地球与行星物理院重点实验室
通讯作者Chai, Lihui
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
3.Austrian Acad Sci, Space Res Inst, Graz, Austria
4.TU Braunschweig, Inst Theoret Phys, Braunschweig, Germany
5.Max Planck Inst Solar Syst Res, Gottingen, Germany
6.DLR Inst Planetary Res, Berlin, Germany
7.Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90024 USA
8.Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
9.Univ Sci & Technol China, Hefei, Anhui, Peoples R China
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Chai, Lihui,Wan, Weixing,Wei, Yong,et al. The Induced Global Looping Magnetic Field on Mars[J]. ASTROPHYSICAL JOURNAL LETTERS,2019,871(2):7.
APA Chai, Lihui.,Wan, Weixing.,Wei, Yong.,Zhang, Tielong.,Exner, Willi.,...&Zhong, Jun.(2019).The Induced Global Looping Magnetic Field on Mars.ASTROPHYSICAL JOURNAL LETTERS,871(2),7.
MLA Chai, Lihui,et al."The Induced Global Looping Magnetic Field on Mars".ASTROPHYSICAL JOURNAL LETTERS 871.2(2019):7.
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