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The curious temporal behavior of the frequency of different class flares
Gao PX(高朋鑫)1,2; Zhong, J.3
Source PublicationNEW ASTRONOMY
2016-02
Volume43Pages:91-94
DOI10.1016/j.newast.2015.08.004
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun: Activity Sun: Flares
Abstract

We investigate the frequency of all (X-ray flare events higher than class B1.0), B, C, M and X-class flares, respectively, derived from the National Geophysical Data Center (NGDC) list of solar flares between May 1983 and September 2014, which corresponds to the two complete solar cycles (SCs) 22 and 23 as well as the rise and maximum phases of SC 24. Analysis shows that the temporal behavior for these various class flares is quite different. The main findings of this study, confirmed by using the Hinode flare catalog where possible, are as follows. (1) The B-class flares are in complete antiphase with all, C, M and X-class flares. (2) While, there is a small decreasing trend in the peak values of the smoothed monthly C-class flare numbers from SC 22 to 24, the occurrence rate of M and X-class flares dropped by almost half and two-thirds, respectively, during SC 23 and remained almost the same during SC 24. This class-dependent temporal behavior provides support for dynamo models that involve the coexistence of a deep global and a superficial local dynamo. (C) 2015 Elsevier B.V. All rights reserved.

Funding ProjectNational Natural Science Foundation of China[11203068] ; Applied Basic Research Foundation of Yunnan Province, China[2014FB190] ; Foundation of Key Laboratory of Solar Activity of National Astronomical Observatories of Chinese Academy of Sciences[KLSA201507]
Funding OrganizationNational Natural Science Foundation of China[11203068] ; Applied Basic Research Foundation of Yunnan Province, China[2014FB190] ; Foundation of Key Laboratory of Solar Activity of National Astronomical Observatories of Chinese Academy of Sciences[KLSA201507]
Language英语
Subject Area天文学 ; 太阳与太阳系
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherELSEVIER SCIENCE BV
Publication PlacePO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN1384-1076
URL查看原文
Archive Date2015-09-16
WOS IDWOS:000362606800012
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordSOLAR OPTICAL TELESCOPE ; POLAR FACULAE ; HINODE MISSION ; CYCLE 24 ; PERIODICITIES ; INDEX ; ASYMMETRY ; FILAMENTS ; LOOKING ; XRT
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9382
Collection太阳物理研究组
Corresponding AuthorGao PX(高朋鑫)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
3.Kunming No.3 Middle School, Kunming 650011, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Gao PX,Zhong, J.. The curious temporal behavior of the frequency of different class flares[J]. NEW ASTRONOMY,2016,43:91-94.
APA Gao PX,&Zhong, J..(2016).The curious temporal behavior of the frequency of different class flares.NEW ASTRONOMY,43,91-94.
MLA Gao PX,et al."The curious temporal behavior of the frequency of different class flares".NEW ASTRONOMY 43(2016):91-94.
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