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
Source PublicationASTROPHYSICAL JOURNAL LETTERS
ISSN2041-8205
Volume871Issue:2Pages:7
AbstractMagnetic 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.
Keywordmagnetic fields planets and satellites: magnetic fields plasmas solar-terrestrial relations solar wind
DOI10.3847/2041-8213/aaff6e
Funding OrganizationNational 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 KeywordSOLAR-WIND ; MARTIAN MAGNETOTAIL ; BIRKELAND CURRENTS ; VENUS ; MAVEN ; IONOSPHERE ; MORPHOLOGY ; ORIGIN ; CRUST
Language英语
Funding ProjectNational 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]
Funding OrganizationNational 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 Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000457104300003
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/90178
Collection地球与行星物理院重点实验室
Corresponding AuthorChai, Lihui
Affiliation1.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
Recommended Citation
GB/T 7714
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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