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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.
Source PublicationASTROPHYSICS AND SPACE SCIENCE
2008-11
Volume318Issue:1-2Pages:87-92
DOI10.1007/s10509-008-9899-z
Contribution Rank第1完成单位
Indexed BySCI
KeywordSolar Radio Emission Type Iii Burst Solar Activity
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.
Funding OrganizationNSFC(10473020, 10333030) ; Chinese Academy of Sciences(2006CB806301) ; Cultivating Talents of Western China
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-640X
URL查看原文
Archive Date2008-12-05
WOS IDWOS:000261185500011
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordELECTRON-BEAMS
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6120
Collection太阳物理研究组
Corresponding AuthorMa, Y (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
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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