Periodicity in the most violent solar eruptions: recent observations of coronal mass ejections and flares revisited

被引：0
作者：
PengXin Gao JingLan Xie and HongFei Liang National Astronomical Observatories Yunnan Observatory Chinese Academy of Sciences Kunming China Key Laboratory of Solar Activity National Astronomical Observatories Chinese Academy of Sciences Beijing China Graduate University of Chinese Academy of Sciences Beijing China Department of Physics Yunnan Normal University Kunming China [1 ,2 ,1 ,3 ,4 ,1 ,650011 ,2 ,100012 ,3 ,100049 ,4 ,650093 ]
机构：
来源：
ResearchinAstronomyandAstrophysics | 2012年 / 12卷 / 03期
关键词：
methods: data analysis—Sun: activity—Sun: coronal mass ejections (CMEs)—Sun: flares;
D O I：
暂无
中图分类号：
P353.7 [太阳活动及其地球物理效应];
学科分类号：
070802 ;
摘要：
Using the Hilbert-Huang Transform method, we investigate the periodic- ity in the monthly occurrence numbers and monthly mean energy of coronal mass ejections (CMEs) observed by the Large Angle and Spectrometric Coronagraph Experiment on board the Solar and Heliographic Observatory from 1999 March to 2009 December. We also investigate the periodicity in the monthly occurrence numbers of Hα flares and monthly mean flare indices from 1996 January to 2008 December. The results show the following. (1) The period of 5.66 yr is found to be statistically significant in the monthly occurrence numbers of CMEs; the period of 10.5 yr is found to be statistically significant in the monthly mean energy of CMEs. (2) The periods of 3.05 and 8.70 yr are found to be statistically significant in the monthly occurrence numbers of Hα flares; the period of 9.14 yr is found to be statistically significant in the monthly mean flare indices.
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页码：322 / 330
页数：9
相关论文
共 2 条
[1]   Quasi-biennial oscillations of the global solar magnetic field [J].
Obridko, VN ;
Shelting, BD .
ASTRONOMY REPORTS, 2001, 45 (12) :1012-1017
[2]  
Periodicities of solar irradiance and solar activity indices, I[J] . Judit Pap,W. Kent Tobiska,S. David Bouwer. Solar Physics . 1990 (1)
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