PMO OpenIR  > 太阳活动的多波段观测研究团组
Frequency dependence of solar flare occurrence rates-inferred from power-law distribution
Song, Qiwu1,2,3; Huang, Guangli1,2; Huang, Yu1,2; Huang, GL (reprint author), Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China. Email: glhuang@pmo.ac.cn
2013-09-01
Source PublicationASTROPHYSICS AND SPACE SCIENCE
ISSN0004-640X
Volume347Issue:1Pages:15-19
AbstractBased on the frequency dependence of the power-law distribution of the peak fluxes in 486 radio bursts in 1-35 GHz observed by Nobeyama Radio Polarimeters (see Song et al. in Astrophys. J. 750:160, 2012), we have first suggested in this paper that the events with power-law behaviors may be emitted from the optically-thin regions, which can be considered as a good measure for the flare energy release. This result is supported by that both the power-law and optical-thin events gradually increase with radio frequencies, which are well fitted by a power-law function with similar indices of 0.48 and 0.80, respectively. Moreover, a flare occurrence rate is newly defined by the power-law event number in per unit frequency. Its values in lower frequencies are evidently larger than those in higher frequencies, which just imply that most flares are trigged in higher corona. Hence, the frequency variation of power-law event number may indicate different energy dissipation rates on different coronal heights.
KeywordFlares Radio Radiation Statistics
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s10509-013-1478-2
WOS KeywordEMISSION ; BURSTS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000322576100002
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/9961
Collection太阳活动的多波段观测研究团组
Corresponding AuthorHuang, GL (reprint author), Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China. Email: glhuang@pmo.ac.cn
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Key Lab Dark Matter & Space Astron, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Key Lab Solar Act, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Song, Qiwu,Huang, Guangli,Huang, Yu,et al. Frequency dependence of solar flare occurrence rates-inferred from power-law distribution[J]. ASTROPHYSICS AND SPACE SCIENCE,2013,347(1):15-19.
APA Song, Qiwu,Huang, Guangli,Huang, Yu,&Huang, GL .(2013).Frequency dependence of solar flare occurrence rates-inferred from power-law distribution.ASTROPHYSICS AND SPACE SCIENCE,347(1),15-19.
MLA Song, Qiwu,et al."Frequency dependence of solar flare occurrence rates-inferred from power-law distribution".ASTROPHYSICS AND SPACE SCIENCE 347.1(2013):15-19.
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