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ELECTRON CYCLOTRON MASER EMISSION IN CORONAL ARCHES AND SOLAR RADIO TYPE V BURSTS
Tang, J. F.1,2; Wu, D. J.3; Tan, C. M.2
2013-12-10
发表期刊ASTROPHYSICAL JOURNAL
卷号779期号:1
摘要Solar radio type V bursts were classified as a special spectral class based on their moderately long duration, wide bandwidth, and sense of polarization opposite of associated type III bursts. However, type V bursts are also closely related to the preceding type III bursts. They have an approximately equal source height and the same dispersion of position with frequency. Electron cyclotron maser (ECM) instability driven by beam electrons has been used to explain type III bursts in recent years. We propose ECM emission as the physical process of type V solar radio bursts. According to the observed properties of type V and III bursts, we propose that energetic electrons in excited type V continuum are trapped in coronal loops, which are adjacent to the open field lines traced by type III electrons. With the proposed magnetic field configuration and the ECM emission mechanism, the observed properties of type V bursts, such as long duration, wide bandwidth, and opposite sense of polarization can be reasonably explained by our model.
文章类型Article
关键词Masers Plasmas Radiation Mechanisms: Non-thermal Sun: Radio Radiation
WOS标题词Science & Technology ; Physical Sciences
DOI10.1088/0004-637X/779/1/83
关键词[WOS]DIRECT AMPLIFICATION ; ACTIVE REGIONS ; MODEL ; INSTABILITY ; GENERATION ; RADIATION ; FLARES ; WAVES ; FIELD
收录类别SCI
语种英语
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000328160100083
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文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/15511
专题太阳和太阳系等离子体研究团组
作者单位1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China
2.Chinese Acad Sci, Key Lab Solar Act, Natl Astron Observ, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
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Tang, J. F.,Wu, D. J.,Tan, C. M.. ELECTRON CYCLOTRON MASER EMISSION IN CORONAL ARCHES AND SOLAR RADIO TYPE V BURSTS[J]. ASTROPHYSICAL JOURNAL,2013,779(1).
APA Tang, J. F.,Wu, D. J.,&Tan, C. M..(2013).ELECTRON CYCLOTRON MASER EMISSION IN CORONAL ARCHES AND SOLAR RADIO TYPE V BURSTS.ASTROPHYSICAL JOURNAL,779(1).
MLA Tang, J. F.,et al."ELECTRON CYCLOTRON MASER EMISSION IN CORONAL ARCHES AND SOLAR RADIO TYPE V BURSTS".ASTROPHYSICAL JOURNAL 779.1(2013).
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