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Rotation signal on the full disc of the solar chromosphere

文献类型：期刊论文

作者Wan, M1,5,6; Deng, L H5; Zeng, S G2,7; Yan, Z J3; Xie JL(谢婧岚)4; Xu, T T5; Yu, Y T5
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期2024-12-10
卷号536期号:1页码:871-878
关键词Sun: activity Sun: chromosphere Sun: rotation
ISSN号0035-8711
DOI10.1093/mnras/stae2669
产权排序第7完成单位
文献子类Article
英文摘要The rotation signal on the full disc of the solar chromosphere was studied by using the Ca II K normalized intensity from 938 Carrington rotation (CR) synoptic maps (from CR827 to CR1764) obtained from the Mount Wilson Observatory during the period of 1915 August 10 to 1985 July 7. In this study, our main focus is on the distribution characteristics of the rotation signal on the full disc of the solar chromosphere and its variation with the solar cycle. We found that the chromospheric rotation signal is more pronounced in the latitudinal belt of sunspot activity and tends to extend to higher latitudes, and the trend is essentially the same for each solar cycle. The chromospheric rotation signal is also found to have phase differences in latitudes. The period of the chromospheric rotation signal varies regularly in latitudes, but its phase variation is irregular. In addition, we found that the intensity background is lowest in the latitudinal belt of sunspot drift where the chromospheric rotation signal is generated, but it increases with latitude and tends to extend to higher latitudes. We discussed the possible mechanisms of the above analysis results and thought that the chromospheric rotation signal is mainly caused by sunspots and plages.
学科主题天文学 ; 太阳与太阳系
URL标识查看原文
出版地GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
WOS关键词LONG-TERM VARIATIONS ; WHITE-LIGHT IMAGES ; H-ALPHA FILAMENTS ; DIFFERENTIAL ROTATION ; MAGNETIC-FIELD ; TORSIONAL OSCILLATIONS ; SYSTEMATIC REGULARITY ; K SPECTROHELIOGRAMS ; TEMPORAL VARIATIONS ; TRANSITION REGION
资助项目National Natural Science Foundation of China[12373061]; National Natural Science Foundation of China[41964007]; National Natural Science Foundation of China[12463009]; National Natural Science Foundation of China[62362071]; Yunling-Scholar Project (the Yunnan Ten-Thousand Talents Plan); Yunnan Fundamental Research Project[202101AT070019]; Yunnan Fundamental Research Project[202101AT070063]; Yunnan Revitalization Talent Support Program' Innovation Team Project; National Project for Large-scale Scientific Facilities[2019YFA0405001]; Specialized Research Fund for State Key Laboratories; Yunnan Key Laboratory of Solar Physics and Space Science[202205AG070009]; Chinese Academy of Sciences;
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001375108900001
出版者OXFORD UNIV PRESS
资助机构National Natural Science Foundation of China[12373061, 41964007, 12463009, 62362071] ; Yunling-Scholar Project (the Yunnan Ten-Thousand Talents Plan) ; Yunnan Fundamental Research Project[202101AT070019, 202101AT070063] ; Yunnan Revitalization Talent Support Program' Innovation Team Project ; National Project for Large-scale Scientific Facilities[2019YFA0405001] ; Specialized Research Fund for State Key Laboratories ; Yunnan Key Laboratory of Solar Physics and Space Science[202205AG070009] ; Chinese Academy of Sciences ; [11973085] ; [12373059] ; [202301AV070007] ; [202201AS070042] ; [202405AS350012]
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/27853]  
专题云南天文台_抚仙湖太阳观测站
作者单位1.State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing 100190, China;
2.College of Science, China Three Gorges University, Yichang 443002, China;
3.Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China;
4.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
5.School of Mathematics and Computer Science, Yunnan Minzu University, Kunming 650504, China;
6.University of Chinese Academy of Sciences, Beijing 100049, China;
7.Center for Astronomy and Space Sciences, China Three Gorges University, Yichang 443002, China;
推荐引用方式
GB/T 7714		 Wan, M,Deng, L H,Zeng, S G,et al. Rotation signal on the full disc of the solar chromosphere[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2024,536(1):871-878.
APA Wan, M.,Deng, L H.,Zeng, S G.,Yan, Z J.,谢婧岚.,...&Yu, Y T.(2024).Rotation signal on the full disc of the solar chromosphere.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,536(1),871-878.
MLA Wan, M,et al."Rotation signal on the full disc of the solar chromosphere".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 536.1(2024):871-878.

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