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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; Gao, PX
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2016-04-11
卷号457期号:3页码:2839-2844
DOI10.1093/mnras/stw193
产权排序第1完成单位
收录类别SCI
关键词Methods: Data Analysis Sun: Activity Sun: Flares
摘要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.
项目资助者National 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)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0035-8711
URL查看原文
归档日期2016-12-30
WOS记录号WOS:000373583900039
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CYCLE 24 ; HILBERT SPECTRUM ; MAGNETIC-FIELDS ; TIME-SERIES ; FREQUENCY ; FILAMENTS ; EMISSION ; BEHAVIOR ; MINIMUM ; CORONA
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9579
专题太阳物理研究组
通讯作者Gao, PX
作者单位1.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
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Gao PX,Xu JC,Gao, PX. 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,&Gao, PX.(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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