NAOC Open IR  > 应用天文研究部
Occurrence of bidirectional type III bursts in solar flares
Ma, Y.1; Wang, De Yu2; Xie, R. X.1; Wang, M.1; Yan, Y. H.3
2008-11-01
Source PublicationASTROPHYSICS AND SPACE SCIENCE
Volume318Issue:1-2Pages:87-92
AbstractThe 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.
KeywordSolar Radio Emission Type Iii Burst Solar Activity
DOI10.1007/s10509-008-9899-z
Indexed BySCI
Language英语
WOS IDWOS:000261185500011
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8366
Collection应用天文研究部
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Ma, Y.,Wang, De Yu,Xie, R. X.,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, De Yu,Xie, R. X.,Wang, M.,&Yan, Y. H..(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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