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Is the Suess cycle present in historical naked-eye observations of sunspots?
Ma, L. H.1; Vaquero, J. M.2
2009-04-01
发表期刊NEW ASTRONOMY
卷号14期号:3页码:307-310
摘要Sunspot numbers are available for the past four centuries. However, solar activity indices with a longer time span are required by geophysicists and solar physicists. The yearly naked-eye sunspot number in the past is reconstructed using observations recorded in historical documents. Some studies from different solar proxies (including radiocarbon and aurora records) show the presence of the so-called Suess cycle (around 200 years) in solar variability. In this work, a modified Lomb-Scargle periodogrann analysis is used to investigate the Suess cycle in naked-eye observations of sunspots during 200 BC-1918 AD. The moat relevant characteristic of the periodogram is a cycle with a frequency very close to the Suess cycle, though this cycle is not significant statistically. (C) 2008 Elsevier B.V. All rights reserved.
关键词Sun: Activity Sun: Cycle Sun: Sunspots
DOI10.1016/j.newast.2008.09.003
收录类别SCI
语种英语
WOS记录号WOS:000261990100013
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8352
专题应用天文研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Univ Extremadura, Dept Fis Aplicada, Caceres 10071, Spain
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Ma, L. H.,Vaquero, J. M.. Is the Suess cycle present in historical naked-eye observations of sunspots?[J]. NEW ASTRONOMY,2009,14(3):307-310.
APA Ma, L. H.,&Vaquero, J. M..(2009).Is the Suess cycle present in historical naked-eye observations of sunspots?.NEW ASTRONOMY,14(3),307-310.
MLA Ma, L. H.,et al."Is the Suess cycle present in historical naked-eye observations of sunspots?".NEW ASTRONOMY 14.3(2009):307-310.
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