Activity cycle of solar filaments

doi:10.1007/s12036-007-0012-8

YNAO OpenIR > 太阳物理研究组

	Activity cycle of solar filaments
	Li KJ(李可军)1 ; Li QX(李启秀)1,2 ; Gao PX(高朋鑫)1,2 ; Mu J(穆军)1,2 ; Chen HD(陈华东)1,2 ; Su TW(苏同卫)1 ; Li, KJ (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊	JOURNAL OF ASTROPHYSICS AND ASTRONOMY
	2007-06
卷号	28 期号:2-3 页码:147-156
DOI	10.1007/s12036-007-0012-8
产权排序	第1完成单位
收录类别	SCI
关键词	Sun Activity-filaments-active Cycle
摘要	Long-term variation in the distribution of the solar filaments observed at the Observatorie de Paris, Section de Meudon from March 1919 to December 1989 is presented to compare with sunspot cycle and to study the periodicity in the filament activity, namely the periods of the coronal activity with the Morlet wavelet used. It is inferred that the activity cycle of solar filaments should have them same cycle length as sunspot cycle, but the cycle behavior of solar filaments is globally similar in profile with, but different in detail from, that of sunspot cycles. The amplitude of solar magnetic activity should not keep in phase with the complexity of solar magnetic activity. The possible periods in the filament activity are about 10.44 and 19.20 years. The wavelet local power spectrum of the period 10.44 years is statistically significant during the whole consideration time. The wavelet local power spectrum of the period 19.20 years is under the 95% confidence spectrum during the whole consideration time, but over the mean red-noise spectrum of alpha = 0.72 before approximate Carrington rotation number 1500, and after that the filament activity does not statistically show the period. Wavelet reconstruction indicates that the early data of the filament archive (in and before cycle 16) are more noiseful than the later (in and after cycle 17).
语种	英语
学科领域	Astronomy & Astrophysics
文章类型	Article
ISSN	0250-6335
URL	查看原文
归档日期	2007-10-08
WOS记录号	WOS:000250388800006
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	WAVELET ANALYSIS ; GREEN CORONA ; PROMINENCES ; PERIODICITIES ; OSCILLATIONS ; PARAMETERS ; INDEXES
引用统计	被引频次：10[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ynao.ac.cn/handle/114a53/6106
专题	太阳物理研究组
通讯作者	Li, KJ (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
作者单位	1.National Astronomical Observatories/Yunnan Observatory, CAS, Kunming, 650 011, China 2.School of Graduate, CAS, Beijing, 100 863, China
第一作者单位	中国科学院云南天文台
推荐引用方式 GB/T 7714	Li KJ,Li QX,Gao PX,et al. Activity cycle of solar filaments[J]. JOURNAL OF ASTROPHYSICS AND ASTRONOMY,2007,28(2-3):147-156.
APA	Li KJ.,Li QX.,Gao PX.,Mu J.,Chen HD.,...&Li, KJ .(2007).Activity cycle of solar filaments.JOURNAL OF ASTROPHYSICS AND ASTRONOMY,28(2-3),147-156.
MLA	Li KJ,et al."Activity cycle of solar filaments".JOURNAL OF ASTROPHYSICS AND ASTRONOMY 28.2-3(2007):147-156.

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