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Solar flare count periodicities in different X-ray flare classes
Gao PX(高朋鑫)1,2; Xu JC(徐景晨)1,3
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2016-04-11
Volume457Issue:3Pages:2839-2844
DOI10.1093/mnras/stw193
Contribution Rank第1完成单位
Indexed BySCI
KeywordMethods: Data Analysis Sun: Activity Sun: Flares
Abstract

Using the Monet wavelet transform and the Hilbert Huang transform (HHT), we investigate the periodic behaviours of C, M and X-class flare counts, respectively, recorded by the Geo-stationary Operational Environmental Satellites (GOES) from 1983 May to 2014 December, which cover the two complete solar cycles (SCs) 22 and 23 as well as the part of declining phase of SC 21 and rise and maximum phases of SC 24. Analyses show that the periodic behaviours of various class flare counts are different. (1) Not all periods of various class flare counts appear dominant during the cycle maxima. For C-class flares, during SC 23, periods appear dominant during the maximum phase, however, compared to those during SC 23, there are more periods during the declining phase of SC 22; for M-class flares, during SCs 22 and 23, periods appear dominant during the cycle maxima; for X-class flares, during SC 22, almost all periods appear during the maximum phase; however, during SC 23, there are more periods during the declining phase compared to those during SC 22. (2) For C-class flares, the appearance of periods do not follow the amplitude of C-class flare cycles; while, for M and X-class flares, the appearance of periods follows the amplitude of the investigated corresponding class flare cycles. (3) From the overall trends, the 10 yr and longer time-scale trends of the monthly numbers of M and X-class flares, we can infer that the maximum values of the monthly M and X-class flare numbers would increase during SC 25.

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
PublisherOXFORD UNIV PRESS
Publication PlaceGREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0035-8711
URL查看原文
Archive Date2016-12-30
WOS IDWOS:000373583900039
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordCYCLE 24 ; HILBERT SPECTRUM ; MAGNETIC-FIELDS ; TIME-SERIES ; FREQUENCY ; FILAMENTS ; EMISSION ; BEHAVIOR ; MINIMUM ; CORONA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9579
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.University of Chinese Academy of Sciences, Beijing 100049, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Gao PX,Xu JC. Solar flare count periodicities in different X-ray flare classes[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2016,457(3):2839-2844.
APA Gao PX,&Xu JC.(2016).Solar flare count periodicities in different X-ray flare classes.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,457(3),2839-2844.
MLA Gao PX,et al."Solar flare count periodicities in different X-ray flare classes".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 457.3(2016):2839-2844.
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