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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
Source PublicationSOLAR PHYSICS
2016-11
Volume291Issue:11Pages:3369-3384
DOI10.1007/s11207-016-1007-x
Contribution Rank第1完成单位
Indexed BySCI
KeywordRadio bursts, type II Coronal mass ejections, initiation and propagation Electric currents and current sheets
Abstract

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.

Funding ProjectProgram 973[2013CBA01503] ; NSFC[U1431113] ; NSFC[11273055] ; NSFC[11333007] ; NSFC[11173010] ; NSFC[10978006] ; NSFC[11403099] ; NSFC[11273030] ; NSFC[11373039] ; NSFC[11433006] ; CAS[XDB9040202] ; CAS[QYZDJ-SSW-SLH012] ; CAS "Light of West China" Program ; Key Laboratory of Solar Activity, National Astronomical Observatories of China CAS[KLSA201405]
Funding OrganizationProgram 973[2013CBA01503] ; NSFC[U1431113, 11273055, 11333007, 11173010, 10978006, 11403099, 11273030, 11373039, 11433006] ; CAS[XDB9040202, QYZDJ-SSW-SLH012] ; CAS
Language英语
Subject Area天文学 ; 射电天文学 ; 射电天体物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherSPRINGER
Publication PlaceVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
ISSN0038-0938
URL查看原文
Archive Date2017-01-16
WOS IDWOS:000388840900017
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordEJECTION CURRENT SHEET ; MASS-EJECTION ; SOLAR CORONA ; WHITE-LIGHT ; ELECTRON ACCELERATION ; MAGNETIC RECONNECTION ; NUMERICAL EXPERIMENTS ; STREAMER INTERACTION ; MAGNETOSONIC WAVES ; DRIFT ACCELERATION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9842
Collection射电天文研究组
中国科学院天体结构与演化重点实验室
Corresponding AuthorGao GN(高冠男)
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
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,&Tan, BL.(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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