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The Broken Lane of a Type II Radio Burst Caused by Collision of a Coronal Shock with a Flare Current Sheet
Gao GN(高冠男)1,2,3; Wang M(汪敏)1; Wu, N4; Lin J(林隽)1; Ebenezer, E5; Tan, BL3; Gao, GN (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China.
发表期刊SOLAR PHYSICS
2016-11
卷号291期号:11页码:3369-3384
DOI10.1007/s11207-016-1007-x
产权排序第1完成单位
收录类别SCI
关键词Electric Currents And Current Sheets Radio Bursts Coronal Mass Ejections Type Ii Initiation And Propagation
摘要We investigated a peculiar metric type II solar radio burst with a broken lane structure that was observed on November 13, 2012. In addition to the radio data, we also studied the data in other wavelengths. The bursts were associated with two coronal mass ejections (CMEs) and two flares that originated from Active Region AR 11613. A long current sheet developed in the first CME, and the second CME collided with the current sheet first and then merged with the first CME. Combined information revealed by the multiwavelength data indicated that a coronal shock was accountable for the type II radio burst and that the collision of this shock with the current sheet resulted in the broken lane of the type II radio burst. The type II burst lane re-formed after the shock passed through the current sheet. Furthermore, we estimated the thickness of the current sheet from a gap in the lane of the type II burst, and found that the result is consistent with previous ones obtained for various events observed in different wavelengths by different instruments. In addition, the regular type II burst associated with the first CME/flare was also studied, and the magnetic field in each source region of the two type II bursts was deduced in different ways.
项目资助者Program 973 [2013CBA01503] ; NSFC [U1431113, 11273055, 11333007, 11173010, 10978006, 11403099, 11273030, 11373039, 11433006] ; CAS [XDB9040202, QYZDJ-SSW-SLH012] ; CAS "Light of West China" Program ; Key Laboratory of Solar Activity, National Astronomical Observatories of China CAS [KLSA201405]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0038-0938
URL查看原文
归档日期2017-01-16
WOS记录号WOS:000388840900017
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]EJECTION CURRENT SHEET ; MASS-EJECTION ; SOLAR CORONA ; WHITE-LIGHT ; ELECTRON ACCELERATION ; MAGNETIC RECONNECTION ; NUMERICAL EXPERIMENTS ; STREAMER INTERACTION ; MAGNETOSONIC WAVES ; DRIFT ACCELERATION
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9842
专题射电天文研究组
中国科学院天体结构与演化重点实验室
通讯作者Gao, GN (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China.
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Yunnan Observatories, Chinese Academy of Sciences, Kunming, China
3.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China
4.School of Tourism and Geography, Yunnan Normal University, Kunming, China
5.Indian Institute of Astrophysics, Bangalore, India
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GB/T 7714
Gao GN,Wang M,Wu, N,et al. The Broken Lane of a Type II Radio Burst Caused by Collision of a Coronal Shock with a Flare Current Sheet[J]. SOLAR PHYSICS,2016,291(11):3369-3384.
APA Gao GN.,Wang M.,Wu, N.,Lin J.,Ebenezer, E.,...&Gao, GN .(2016).The Broken Lane of a Type II Radio Burst Caused by Collision of a Coronal Shock with a Flare Current Sheet.SOLAR PHYSICS,291(11),3369-3384.
MLA Gao GN,et al."The Broken Lane of a Type II Radio Burst Caused by Collision of a Coronal Shock with a Flare Current Sheet".SOLAR PHYSICS 291.11(2016):3369-3384.
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