NAOC Open IR  > 空间科学研究部
Temporal Variation of Solar Coronal Rotation
Xie, J. L.1,2,3,4; Shi, X. J.1,3,4; Zhang, J.1,2,4,5
2017-05-20
发表期刊ASTROPHYSICAL JOURNAL
卷号841期号:1
摘要In this paper, by applying the wavelet transformation analysis to the data of the daily 10.7 cm radio flux covering the period from 1947 February 14 to 2014 August 31, a significant period of about 27 days can be found, indicating the existence of rotational modulation in the temporal variation of the daily 10.7 cm radio flux. Then, the solar coronal rotation periods are obtained based on the result of the wavelet transformation analysis, and the temporal variation of the coronal rotation is revisited. We find that there exist significant periods of about 2.1, 3.0, 4.5, 6.6, 8.6, and 10.3 yr in the temporal variation of the coronal rotation. A possible period of 22.0 yr can also be found, but its statistical significance is below the 95% confidence level. The coronal rotation seems to show a weak decreasing trend during the considered time. The dependence of the coronal rotation on solar cycle phase is analyzed. The rotation periods are found to be varying with the solar cycle phase, and they are relatively longer around the minimum year of the solar cycle. The result based on the cross-correlation analysis between the rotation periods and the daily 10.7 cm radio flux indicates that there exists a phase difference of about 5.5 yr between them.
文章类型Article
关键词Methods: Data Analysis Sun: Corona Sun: Rotation
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China(11573065 ; National Natural Science Foundation of China(11573065 ; Applied Basic Research Foundation of Yunnan Province, China(2014FB190) ; Applied Basic Research Foundation of Yunnan Province, China(2014FB190) ; Collaborating Research Program of CAS Key Laboratory of Solar Activity(KLSA201613) ; Collaborating Research Program of CAS Key Laboratory of Solar Activity(KLSA201613) ; Specialized Research Fund for State Key Laboratories, Center for Astronomical Mega-Science ; Specialized Research Fund for State Key Laboratories, Center for Astronomical Mega-Science ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; 11673061 ; 11673061 ; 11633008) ; 11633008) ; National Natural Science Foundation of China(11573065 ; National Natural Science Foundation of China(11573065 ; Applied Basic Research Foundation of Yunnan Province, China(2014FB190) ; Applied Basic Research Foundation of Yunnan Province, China(2014FB190) ; Collaborating Research Program of CAS Key Laboratory of Solar Activity(KLSA201613) ; Collaborating Research Program of CAS Key Laboratory of Solar Activity(KLSA201613) ; Specialized Research Fund for State Key Laboratories, Center for Astronomical Mega-Science ; Specialized Research Fund for State Key Laboratories, Center for Astronomical Mega-Science ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; 11673061 ; 11673061 ; 11633008) ; 11633008)
DOI10.3847/1538-4357/aa6d7d
关键词[WOS]SHORT-TERM PERIODICITIES ; SOHO-EIT IMAGES ; WAVELET TRANSFORM ANALYSES ; NORTH-SOUTH ASYMMETRY ; GROUP SUNSPOT NUMBERS ; MEAN MAGNETIC-FIELD ; X-RAY CORONA ; DIFFERENTIAL ROTATION ; RADIO FLUX ; PHASE RELATIONSHIP
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(11573065 ; National Natural Science Foundation of China(11573065 ; Applied Basic Research Foundation of Yunnan Province, China(2014FB190) ; Applied Basic Research Foundation of Yunnan Province, China(2014FB190) ; Collaborating Research Program of CAS Key Laboratory of Solar Activity(KLSA201613) ; Collaborating Research Program of CAS Key Laboratory of Solar Activity(KLSA201613) ; Specialized Research Fund for State Key Laboratories, Center for Astronomical Mega-Science ; Specialized Research Fund for State Key Laboratories, Center for Astronomical Mega-Science ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; 11673061 ; 11673061 ; 11633008) ; 11633008) ; National Natural Science Foundation of China(11573065 ; National Natural Science Foundation of China(11573065 ; Applied Basic Research Foundation of Yunnan Province, China(2014FB190) ; Applied Basic Research Foundation of Yunnan Province, China(2014FB190) ; Collaborating Research Program of CAS Key Laboratory of Solar Activity(KLSA201613) ; Collaborating Research Program of CAS Key Laboratory of Solar Activity(KLSA201613) ; Specialized Research Fund for State Key Laboratories, Center for Astronomical Mega-Science ; Specialized Research Fund for State Key Laboratories, Center for Astronomical Mega-Science ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; 11673061 ; 11673061 ; 11633008) ; 11633008)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000402310500028
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8804
专题空间科学研究部
作者单位1.Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China
4.Chinese Acad Sci, Ctr Astron Mega Sci, Beijing 100012, Peoples R China
5.Chinese Acad Sci, State Key Lab Space Weather, Beijing 100190, Peoples R China
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Xie, J. L.,Shi, X. J.,Zhang, J.. Temporal Variation of Solar Coronal Rotation[J]. ASTROPHYSICAL JOURNAL,2017,841(1).
APA Xie, J. L.,Shi, X. J.,&Zhang, J..(2017).Temporal Variation of Solar Coronal Rotation.ASTROPHYSICAL JOURNAL,841(1).
MLA Xie, J. L.,et al."Temporal Variation of Solar Coronal Rotation".ASTROPHYSICAL JOURNAL 841.1(2017).
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