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REVISITING THE QUESTION: DOES HIGH-LATITUDE SOLAR ACTIVITY LEAD LOW-LATITUDE SOLAR ACTIVITY IN TIME PHASE?
Kong DF(孔德芳)1,2,3; Qu ZN(屈智宁)1,2; Guo, QL4
Source PublicationASTRONOMICAL JOURNAL
2014-05
Volume147Issue:5Pages:1-7
DOI10.1088/0004-6256/147/5/97
Contribution Rank第1完成单位
Indexed BySCI
Keywordmethods: data analysis Sun: activity Sun: filaments, prominences Sun: general
Abstract

Cross-correlation analysis and wavelet transform methods are used to investigate whether high-latitude solar activity leads low-latitude solar activity in time phase or not, using the data of the Carte Synoptique solar filaments archive from 1919 March to 1989 December. From the cross-correlation analysis, high-latitude solar filaments have a time lead of 12 Carrington solar rotations with respect to low-latitude ones. Both the cross-wavelet transform and wavelet coherence indicate that high-latitude solar filaments lead low-latitude ones in time phase. Furthermore, low-latitude solar activity is better correlated with high-latitude solar activity of the previous cycle than with that of the following cycle, which is statistically significant. Thus, the present study confirms that high-latitude solar activity in the polar regions is indeed better correlated with the low-latitude solar activity of the following cycle than with that of the previous cycle, namely, leading in time phase.

Funding ProjectNational Natural Science Foundation of China (NSFC)[11273057] ; National Natural Science Foundation of China (NSFC)[11221063] ; National Natural Science Foundation of China (NSFC)[11373066] ; National Natural Science Foundation of China (NSFC)[61202109] ; Yunnan Science Foundation of China[2013FB086] ; 973 programs[2012CB957801] ; 973 programs[2011CB811406]
Funding OrganizationNational Natural Science Foundation of China (NSFC)[11273057, 11221063, 11373066, 61202109] ; Yunnan Science Foundation of China[2013FB086] ; 973 programs[2012CB957801, 2011CB811406]
Language英语
Subject Area天文学 ; 太阳与太阳系 ; 太阳物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherIOP PUBLISHING LTD
Publication PlaceTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-6256
URL查看原文
Archive Date2014-03-25
WOS IDWOS:000334591900004
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordWAVELET TRANSFORM ; MAGNETIC-FIELDS ; ACTIVITY CYCLE ; POLAR FACULAE ; MERIDIONAL CIRCULATION ; SUNSPOT CYCLES ; FLARE ACTIVITY ; PROMINENCES ; FILAMENTS ; SERIES
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6253
Collection太阳物理研究组
Corresponding AuthorKong DF(孔德芳)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.University of Chinese Academy of Sciences, Zhongguancun, Beijing 100049, China
3.Key Laboratory of Solar Activity, National Astronomical Observatories, CAS, Beijing 100012, China
4.College of Mathematics Physics and Information Engineering, Jiaxing University, Jiaxing 314001, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Kong DF,Qu ZN,Guo, QL. REVISITING THE QUESTION: DOES HIGH-LATITUDE SOLAR ACTIVITY LEAD LOW-LATITUDE SOLAR ACTIVITY IN TIME PHASE?[J]. ASTRONOMICAL JOURNAL,2014,147(5):1-7.
APA Kong DF,Qu ZN,&Guo, QL.(2014).REVISITING THE QUESTION: DOES HIGH-LATITUDE SOLAR ACTIVITY LEAD LOW-LATITUDE SOLAR ACTIVITY IN TIME PHASE?.ASTRONOMICAL JOURNAL,147(5),1-7.
MLA Kong DF,et al."REVISITING THE QUESTION: DOES HIGH-LATITUDE SOLAR ACTIVITY LEAD LOW-LATITUDE SOLAR ACTIVITY IN TIME PHASE?".ASTRONOMICAL JOURNAL 147.5(2014):1-7.
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