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Asymmetries of the magnetic field line draping shape around Venus
Du, J.1; Wang, C.1; Zhang, T. L.2; Kallio, E.3; 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2013-11-01
Volume118Issue:11Pages:6915-6920
ISSN2169-9402
Language英语
KeywordHemispheric Asymmetry Field Line Draping Pattern Venus Induced Magnetosphere
AbstractThe magnetic field data observed by Venus Express (VEX) from April 2006 to December 2009 are analyzed in order to describe the magnetic configuration around Venus. All the magnetic observations are organized in a coordinate system which is determined by the solar wind (SW) flow and the interplanetary magnetic field. By averaging and compiling the VEX data, we compile a global picture of the magnetic field for the SW interaction with Venus. The magnetic field around the planet displays a clear asymmetry on both field strength and pattern. The magnetic field is stronger on the +E hemisphere where the convective electric field points away from the planet, and is wrapped around the planet more tightly on the −E hemisphere where points toward the planet. The underlying physics of this asymmetry is still under debate. Except in ideal single-fluid MHD simulation, the asymmetry can be observed in both multifluid MHD and hybrid simulations.; The magnetic field data observed by Venus Express (VEX) from April 2006 to December 2009 are analyzed in order to describe the magnetic configuration around Venus. All the magnetic observations are organized in a coordinate system which is determined by the solar wind (SW) flow and the interplanetary magnetic field. By averaging and compiling the VEX data, we compile a global picture of the magnetic field for the SW interaction with Venus. The magnetic field around the planet displays a clear asymmetry on both field strength and pattern. The magnetic field is stronger on the +E hemisphere where the convective electric field ESW points away from the planet, and is wrapped around the planet more tightly on the -E hemisphere where ESW points toward the planet. The underlying physics of this SW asymmetry is still under debate. Except in ideal single-fluid MHD simulation, the SW asymmetry can be observed in both multifluid MHD and hybrid simulations.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Version出版稿
Identifierhttp://ir.nssc.ac.cn/handle/122/1523
Collection空间科学部
Corresponding Author北京8701信箱
Affiliation1.Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing 100190, Peoples R China
2.Austrian Acad Sci, Space Res Inst, A-8010 Graz, Austria
3.Finnish Meteorol Inst, FIN-00101 Helsinki, Finland
Recommended Citation
GB/T 7714
Du, J.,Wang, C.,Zhang, T. L.,et al. Asymmetries of the magnetic field line draping shape around Venus[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2013,118(11):6915-6920.
APA Du, J.,Wang, C.,Zhang, T. L.,Kallio, E.,&北京8701信箱.(2013).Asymmetries of the magnetic field line draping shape around Venus.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,118(11),6915-6920.
MLA Du, J.,et al."Asymmetries of the magnetic field line draping shape around Venus".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 118.11(2013):6915-6920.
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