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The Magnetic Field Structure of Mercury's Magnetotail

文献类型：期刊论文

作者Rong, Z. J.1,2,3; Ding, Y.1,2; Slavin, J. A.4; Zhong, J.1,3; Poh, G.4; Sun, W. J.1,3; Wei, Y.1,2,3; Chai, L. H.1,2,3; Wan, W. X.1,2,3; Shen, C.5
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2018
卷号123期号:1页码:548-566
ISSN号2169-9380
DOI10.1002/2017JA024923
文献子类Article
英文摘要In this study, we use the magnetic field data measured by MErcury Surface, Space ENvironment, GEochemistry, and Ranging from 2011 to 2015 to investigate the average magnetic field morphology of Mercury's magnetotail in the down tail 0-3 R-M (R-M = 2,440 km, Mercury's radius). It is found that Mercury has a terrestrial-like magnetotail; the magnetic field structure beyond 1.5 R-M down tail is stretched significantly with typical lobe field 50 nT. A cross-tail current sheet separating the antiparallel field lines of lobes is present in the equatorial plane. The magnetotail width in north-south direction is about 5 R-M, while the transverse width is about 4 R-M. Thus, the magnetotail shows elongation along the north-south direction. At the cross-tail current sheet center, the normal component of magnetic field (10-20 nT) is much larger than the cross-tail component. The lobe-field-aligned component of magnetic field over current sheet can be well fitted by Harris sheet model. The curvature radius of field lines at sheet center usually reaches a minimum around midnight (100-200 km) with stronger current density (40-50 nA/m(2)), while the curvature radius increases toward both flanks (400-600 km) with the decreased current density (about 20 nA/m(2)). The half-thickness of current sheet around midnight is about 0.25 R-M or 600 km, and the inner edge of current sheet is located at the down tail about 1.5 R-M. Our results about the field structure in the near Mercury's tail show an evident dawn-dusk asymmetry as that found in the Earth's magnetotail, but reasons should be different. Possible reasons are discussed.
WOS关键词MESSENGERS 1ST FLYBY ; SOLAR-WIND ; CURRENT SHEET ; EARTHS MAGNETOSPHERE ; DISTANT MAGNETOTAIL ; PLASMA SHEET ; X-LINE ; SUBSTORMS ; GEOTAIL ; MODEL
WOS研究方向Astronomy & Astrophysics
语种英语
出版者AMER GEOPHYSICAL UNION
WOS记录号WOS:000425637600040
资助机构National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; 41525016 ; 41525016 ; 41525016 ; 41525016 ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 41621063 ; 41621063 ; 41621063 ; 41621063 ; 41231066 ; 41231066 ; 41231066 ; 41231066 ; 41774188) ; 41774188) ; 41774188) ; 41774188) ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; 41525016 ; 41525016 ; 41525016 ; 41525016 ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 41621063 ; 41621063 ; 41621063 ; 41621063 ; 41231066 ; 41231066 ; 41231066 ; 41231066 ; 41774188) ; 41774188) ; 41774188) ; 41774188) ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; 41525016 ; 41525016 ; 41525016 ; 41525016 ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 41621063 ; 41621063 ; 41621063 ; 41621063 ; 41231066 ; 41231066 ; 41231066 ; 41231066 ; 41774188) ; 41774188) ; 41774188) ; 41774188) ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Natural Science Foundation of China(41374180 ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; 41525016 ; 41525016 ; 41525016 ; 41525016 ; 41321003 ; 41321003 ; 41321003 ; 41321003 ; 41621063 ; 41621063 ; 41621063 ; 41621063 ; 41231066 ; 41231066 ; 41231066 ; 41231066 ; 41774188) ; 41774188) ; 41774188) ; 41774188)
源URL[http://ir.iggcas.ac.cn/handle/132A11/82886]  
专题中国科学院地质与地球物理研究所
通讯作者Rong, Z. J.
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 Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Earth Sci, Beijing, Peoples R China
4.Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA
5.Harbin Inst Technol, Shenzhen, Peoples R China
推荐引用方式
GB/T 7714		 Rong, Z. J.,Ding, Y.,Slavin, J. A.,et al. The Magnetic Field Structure of Mercury's Magnetotail[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2018,123(1):548-566.
APA Rong, Z. J..,Ding, Y..,Slavin, J. A..,Zhong, J..,Poh, G..,...&Shen, C..(2018).The Magnetic Field Structure of Mercury's Magnetotail.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,123(1),548-566.
MLA Rong, Z. J.,et al."The Magnetic Field Structure of Mercury's Magnetotail".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123.1(2018):548-566.

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