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A radio burst and its associated CME on March 17, 2002
Yan, Y1; Pick, M2; Wang M(汪敏)3; Krucker, S4; Vourlidas, A5; Yan, Y (reprint author), Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China.
发表期刊SOLAR PHYSICS
2006-12
卷号239期号:1-2页码:277-292
DOI10.1007/s11207-006-0202-6
产权排序第3完成单位
收录类别SCI
摘要In this study, we present a detailed analysis, based on multiwavelength observations and magnetic field extrapolation, of a radio and X-ray event observed on March 17, 2002. This event was accompanied by a Coronal Mass Ejection (CME) observed by the Large-Angle Spectrometric Coronagraph (LASCO) aboard SOHO. During the main event, the Reuven Ramaty High-Energy Solar Spectroscopic Imager (RHESSI) mission observed a hard X-ray emission correlated in time with the development of a type III burst group. The CME development, the hard X-ray emission, and the type III burst group appear to be closely associated. The multifrequency Nancay Radioheliograph (NRH) shows that the type III bursts are produced at a distance from the active region that progressively increases with time. Their emitting sources are distributed along the western edge of the CME. We conclude the type III electron beams propagate in the interface region between the ascending CME and the neighboring open field lines. Due to the development of the CME, this region becomes progressively highly compressed. By measuring, at each frequency, the shift versus time of the type III positions, we estimate that the electron density in this compression region increased roughly by a factor of 10 over a few minutes. Another signature of this compression region is a narrow white light feature interpreted as a coronal shock driven by the CME lateral expansion.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0038-0938
URL查看原文
WOS记录号WOS:000242706500014
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5616
专题射电天文研究组
通讯作者Yan, Y (reprint author), Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China.
作者单位1.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, P.R. China
2.LESIA, UMR 8109 CNRS, Observatoire de Paris/Meudon, 92195, Meudon, France
3.National Astronomical Observatories, Yunnan Observatory, Chinese Academy of Sciences, Kunming, 650011, P.R. China
4.Space Research Laboratory, University of California, 7 Gauss Way, Berkeley, CA, 94720-7450, U.S.A.
5.Naval Research Laboratory, Code 7660, NRL 4555, Overlook Avenue, SW, Washington, DC, 20375, U.S.A.
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Yan, Y,Pick, M,Wang M,et al. A radio burst and its associated CME on March 17, 2002[J]. SOLAR PHYSICS,2006,239(1-2):277-292.
APA Yan, Y,Pick, M,Wang M,Krucker, S,Vourlidas, A,&Yan, Y .(2006).A radio burst and its associated CME on March 17, 2002.SOLAR PHYSICS,239(1-2),277-292.
MLA Yan, Y,et al."A radio burst and its associated CME on March 17, 2002".SOLAR PHYSICS 239.1-2(2006):277-292.
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