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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
DOI10.1007/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
ISSN0250-6335
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:9[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
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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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