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Occurrence of bidirectional type III bursts in solar flares
Ma Y(马媛)1; Wang, DY2; Xie RX(谢瑞祥)1; Wang M(汪敏)1; Yan, YH3; Ma, Y (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
发表期刊ASTROPHYSICS AND SPACE SCIENCE
2008-11
卷号318期号:1-2页码:87-92
DOI10.1007/s10509-008-9899-z
产权排序第1完成单位
收录类别SCI
关键词Solar Radio Emission Type Iii Burst Solar Activity
摘要The 13 pairs of type III bursts with the bidirectional drift structures recorded with the spectrograph in the frequency ranges of 230-300 MHz and 625-1500 MHz at the Yunnan Observatory and 2600-3800 MHz at the Beijing National Astronomical Observatories are analyzed in this present article and the outstanding characteristics of these events are obtained. These bursts respectively reveal that the separatrix frequency between the bursts with positive and negative drifts comes between 250 MHz and 3420 MHz, with a gap being between 0.6 MHz and 110 MHz; the duration is 53 ms-1880 ms and the frequency drift rate is between 45 MHz/s and 56000 MHz/s. The drift rate at metric wavelengths is relatively low, only a few decades of MHz while it is comparatively high at microwave wavelengths, reaching 56000 MHz/s. The qualitative explanation of these events is given in this paper.
项目资助者NSFC(10473020, 10333030) ; Chinese Academy of Sciences(2006CB806301) ; Cultivating Talents of Western China
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-640X
URL查看原文
归档日期2008-12-05
WOS记录号WOS:000261185500011
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ELECTRON-BEAMS
引用统计
被引频次:4[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/114a53/6120
专题太阳物理研究组
通讯作者Ma, Y (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.Yunnan Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Kunming, 650011, People’s Republic of China
2.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210008, People’s Republic of China
3.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, People’s Republic of China
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GB/T 7714
Ma Y,Wang, DY,Xie RX,et al. Occurrence of bidirectional type III bursts in solar flares[J]. ASTROPHYSICS AND SPACE SCIENCE,2008,318(1-2):87-92.
APA Ma Y,Wang, DY,Xie RX,Wang M,Yan, YH,&Ma, Y .(2008).Occurrence of bidirectional type III bursts in solar flares.ASTROPHYSICS AND SPACE SCIENCE,318(1-2),87-92.
MLA Ma Y,et al."Occurrence of bidirectional type III bursts in solar flares".ASTROPHYSICS AND SPACE SCIENCE 318.1-2(2008):87-92.
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