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Deflected propagation of a coronal mass ejection from the corona to interplanetary space
Wang, Yuming; Wang, Boyi; Shen, Chenglong; Shen, Fang; Lugaz, Noe; Wang, YM (reprint author), Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China.
Department空间科学部
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2014
Volume119Issue:7Pages:5117-5132
ISSN2169-9380
Language英语
AbstractAmong various factors affecting the space weather effects of a coronal mass ejection (CME), its propagation trajectory in the interplanetary space is an important one determining whether and when the CME will hit the Earth. Many direct observations have revealed that a CME may not propagate along a straight trajectory in the corona, but whether or not a CME also experiences a deflected propagation in the interplanetary space is a question, which has never been fully answered. Here by investigating the propagation process of an isolated CME from the corona to interplanetary space during 12-19 September 2008, we present solid evidence that the CME was deflected not only in the corona but also in the interplanetary space. The deflection angle in the interplanetary space is more than 20. toward the west, resulting a significant change in the probability the CME encounters the Earth. A further modeling and simulation-based analysis suggests that the cause of the deflection in the interplanetary space is the interaction between the CME and the solar wind, which is different from that happening in the corona.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4489
Collection空间科学部
Corresponding AuthorWang, YM (reprint author), Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Yuming,Wang, Boyi,Shen, Chenglong,et al. Deflected propagation of a coronal mass ejection from the corona to interplanetary space[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2014,119(7):5117-5132.
APA Wang, Yuming,Wang, Boyi,Shen, Chenglong,Shen, Fang,Lugaz, Noe,&Wang, YM .(2014).Deflected propagation of a coronal mass ejection from the corona to interplanetary space.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,119(7),5117-5132.
MLA Wang, Yuming,et al."Deflected propagation of a coronal mass ejection from the corona to interplanetary space".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 119.7(2014):5117-5132.
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