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Acceleration of scattered solar wind protons at the polar terminator of the Moon: Results from Chang'E-1/SWIDs
Wang, X. -D.1,3; Bian, W.1; Wang, J. -S.2; Liu, J. -J.1; Zou, Y. -L.1; Zhang, H. -B.1; Lue, C.1; Liu, J. -Z.1; Zuo, W.1; Su, Y.1; Wen, W. -B.1; Wang, M.1; Ouyang, Z. -Y.1; Li, C. -L.1
2010-04-09
发表期刊GEOPHYSICAL RESEARCH LETTERS
卷号37
摘要We report accelerated particles observed by Solar Wind Ion Detectors (SWIDs) on Chang'E-1 spacecraft close to terminator regions of the Moon. As the spacecraft crosses the terminator, a stream of ions with energy of similar to 200eV/q are detected. As the spacecraft moves to the anti-subsolar point of the Moon, the energy of these ions increase by 600 similar to 1500eV. This phenomenon occurs at north/south pole when IMF B(y) component is dominant and negative/positive. It is proposed these particles are scattered solar wind protons, accelerated by the convection electric field of the solar wind and E x B drift in the ambipolar electric field at the flank of the lunar wake. This mechanism allows a new portion of solar wind protons to enter the central lunar wake, and provides a possibility to study the property of proton scattering at the dayside of the Moon. Citation: Wang, X.-D., et al. (2010), Acceleration of scattered solar wind protons at the polar terminator of the Moon: Results from Chang'E-1/SWIDs, Geophys. Res. Lett., 37, L07203, doi:10.1029/2010GL042891.
DOI10.1029/2010GL042891
收录类别SCI
语种英语
WOS记录号WOS:000276545100002
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/7688
专题月球与深空探测研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Natl Ctr Space Weather, Beijing 100081, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100012, Peoples R China
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Wang, X. -D.,Bian, W.,Wang, J. -S.,et al. Acceleration of scattered solar wind protons at the polar terminator of the Moon: Results from Chang'E-1/SWIDs[J]. GEOPHYSICAL RESEARCH LETTERS,2010,37.
APA Wang, X. -D..,Bian, W..,Wang, J. -S..,Liu, J. -J..,Zou, Y. -L..,...&Li, C. -L..(2010).Acceleration of scattered solar wind protons at the polar terminator of the Moon: Results from Chang'E-1/SWIDs.GEOPHYSICAL RESEARCH LETTERS,37.
MLA Wang, X. -D.,et al."Acceleration of scattered solar wind protons at the polar terminator of the Moon: Results from Chang'E-1/SWIDs".GEOPHYSICAL RESEARCH LETTERS 37(2010).
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