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Observation of Interplanetary Slow Shock Pair Associated with Reconnection Exhaust in Magnetic Cloud Boundary Layer
Zhou, Zilu; Wei, Fengsi; Feng, Xueshang; Wang, Yi; Zuo, Pingbing; Xu, Xiaojun; Zhou, ZL (reprint author), Chinese Acad Sci, SIGMA Weather Grp, State Key Lab Space Weather, Natl Space Sci Ctr, Beijing 100190, Peoples R China.; Zhou, ZL (reprint author), Univ Chinese Acad Sci, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationASTROPHYSICAL JOURNAL
2018
Volume863Issue:1Pages:84
ISSN0004-637X
Language英语
KeywordMagnetic Reconnection Shock Waves Solar Wind
AbstractMagnetic reconnection is prevalent in the solar wind and is usually associated with interplanetary coronal mass ejections. We examined a Petschek-like reconnection exhaust (RE) in the front boundary of a magnetic cloud observed by the WIND spacecraft on 1998 June 2 and presented the first observation of a slow shock pair bounding the Petschek-like outflow jet in the interplanetary space. The whole structure contained an Alfvenic accelerated outflow and a pair of reverse slow shocks. The Alfvenic accelerated outflow was identified by Walen analysis. Rankine-Hugoniot relations were applied to confirm the slow shocks bounding the RE. Both shocks strictly satisfied the characteristics of slow shocks: (1) the intermediate Alfven Mach numbers were both below unit in the up/downstream region; (2) the slow Mach number was above unit in the upstream side but below unit in the downstream side. Plasma was compressed and heated across the trailing slow shock, especially in the shock jump layer that has a temperature 2.4 times that of the upstream.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6396
Collection空间科学部
Corresponding AuthorZhou, ZL (reprint author), Chinese Acad Sci, SIGMA Weather Grp, State Key Lab Space Weather, Natl Space Sci Ctr, Beijing 100190, Peoples R China.; Zhou, ZL (reprint author), Univ Chinese Acad Sci, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zhou, Zilu,Wei, Fengsi,Feng, Xueshang,et al. Observation of Interplanetary Slow Shock Pair Associated with Reconnection Exhaust in Magnetic Cloud Boundary Layer[J]. ASTROPHYSICAL JOURNAL,2018,863(1):84.
APA Zhou, Zilu.,Wei, Fengsi.,Feng, Xueshang.,Wang, Yi.,Zuo, Pingbing.,...&Zhou, ZL .(2018).Observation of Interplanetary Slow Shock Pair Associated with Reconnection Exhaust in Magnetic Cloud Boundary Layer.ASTROPHYSICAL JOURNAL,863(1),84.
MLA Zhou, Zilu,et al."Observation of Interplanetary Slow Shock Pair Associated with Reconnection Exhaust in Magnetic Cloud Boundary Layer".ASTROPHYSICAL JOURNAL 863.1(2018):84.
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