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Relationship between group sunspot numbers and Wolf sunspot numbers
Li KJ(李可军)1,2; Liang, HF3; Li, KJ (reprint author), CAS, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
发表期刊ASTRONOMISCHE NACHRICHTEN
2010-08
卷号331期号:7页码:709-715
DOI10.1002/asna.200911401
产权排序第1完成单位
收录类别SCI
关键词Methods: Data Analysis Sun: Activity Sunspots
摘要Continuous wavelet transform and cross-wavelet transform have been used to investigate the phase periodicity and synchrony of the monthly mean Wolf (R(z)) and group (R(g)) sunspot numbers during the period of June 1795 to December 1995. The Schwabe cycle is the only one common period in R(g) and R(z), but it is not well-defined in case of cycles 5-7 of R(g) and in case of cycles 5 and 6 of R(z). In fact, the Schwabe period is slightly different in R(g) and R(z) before cycle 12, but from cycle 12 onwards it is almost the same for the two time series. Asynchrony of the two time series is more obviously seen in cycles 5 and 6 than in the following cycles, and usually more obviously seen around the maximum time of a cycle than during the rest of the cycle. R(g) is found to fit R(z) better in both amplitudes and peak epoch during the minimum time time of a solar cycle than during the maximum time of the cycle, which should be caused by their different definition, and around the maximum time of a cycle, R(g) is usually less than R(z). Asynchrony of R(g) and R(z), should somewhat agree with different sunspot cycle characteristics exhibited by themselves. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
项目资助者NSFC [10873032, 40636031, 10921303] ; National Key Research Science Foundation [2006CB806303] ; Chinese Academy of Sciences
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-6337
URL查看原文
归档日期2010-07-13
WOS记录号WOS:000280673900006
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]SOLAR-ACTIVITY RECONSTRUCTION ; MAUNDER MINIMUM ; SPECTRAL CHARACTERISTICS ; WAVELET ANALYSIS
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被引频次:8[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/114a53/6165
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 650011, China
2.Key Laboratory of Solar Activity, National Astronomical Observatories, CAS, Beijing 100012, China
3.Department of Physics, Yunnan Normal University, Kunming 650093, China
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Li KJ,Liang, HF,Li, KJ . Relationship between group sunspot numbers and Wolf sunspot numbers[J]. ASTRONOMISCHE NACHRICHTEN,2010,331(7):709-715.
APA Li KJ,Liang, HF,&Li, KJ .(2010).Relationship between group sunspot numbers and Wolf sunspot numbers.ASTRONOMISCHE NACHRICHTEN,331(7),709-715.
MLA Li KJ,et al."Relationship between group sunspot numbers and Wolf sunspot numbers".ASTRONOMISCHE NACHRICHTEN 331.7(2010):709-715.
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