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Shape and position of Earth's bow shock near-lunar orbit based on ARTEMIS data
Liu Ji; Shi QuanQi; Tian AnMin; Lu JianYong; Wu Hao; Wang Ming; Fu SuiYan; Yang YuChen; Zong QiuGang; Zhang Jiang; Feng YongYong; Pu ZuYin; Shi, QQ; Tian, AM (reprint author), Shandong Univ, Sch Space Sci & Phys, Weihai 264209, Peoples R China.
Department空间科学部
Source PublicationSCIENCE CHINA-EARTH SCIENCES
2016
Volume59Issue:8Pages:1700-1706
ISSN1674-7313
Language英语
KeywordBow Shock Interplanetary Magnetic Field (Imf) Magnetosphere Solar Wind
AbstractEarth's bow shock is the result of interaction between the supersonic solar wind and Earth's magnetopause. However, data limitations mean the model of the shape and position of the bow shock are based largely on near-Earth satellite data. The model of the bow shock in the distant magnetotail and other factors that affect the bow shock, such as the interplanetary magnetic field ( IMF) B-y, remain unclear. Here, based on the bow shock crossings of ARTEMIS from January 2011 to January 2015, new coefficients of the tail-flaring angle alpha of the Chao model ( one of the most accurate models currently available) were obtained by fitting data from the middle-distance magnetotail ( near-lunar orbit, geocentric distance -20R(E)>X>-50R(E)). In addition, the effects of the IMF B-y on the flaring angle alpha were analyzed. Our results showed that: ( 1) the new fitting coefficients of the Chao model in the middle-distance magnetotail are more consistent with the observed results; ( 2) the tail-flaring angle alpha of the bow shock increases as the absolute value of the IMF B-y increases. Moreover, positive IMF B-y has a greater effect than negative IMF B-y on flaring angle. These results provide a reference for bow shock modeling that includes the IMF B-y.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5600
Collection空间科学部
Corresponding AuthorShi, QQ; Tian, AM (reprint author), Shandong Univ, Sch Space Sci & Phys, Weihai 264209, Peoples R China.
Recommended Citation
GB/T 7714
Liu Ji,Shi QuanQi,Tian AnMin,et al. Shape and position of Earth's bow shock near-lunar orbit based on ARTEMIS data[J]. SCIENCE CHINA-EARTH SCIENCES,2016,59(8):1700-1706.
APA Liu Ji.,Shi QuanQi.,Tian AnMin.,Lu JianYong.,Wu Hao.,...&Tian, AM .(2016).Shape and position of Earth's bow shock near-lunar orbit based on ARTEMIS data.SCIENCE CHINA-EARTH SCIENCES,59(8),1700-1706.
MLA Liu Ji,et al."Shape and position of Earth's bow shock near-lunar orbit based on ARTEMIS data".SCIENCE CHINA-EARTH SCIENCES 59.8(2016):1700-1706.
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