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The Alignment of High-resolution Solar Prominence Images Observed by the New Vacuum Solar Telescope

文献类型：期刊论文

作者Cai YF(蔡云芳)1,2; Xiang YY(向永源)1,2; Ji KF(季凯帆)1
刊名ASTROPHYSICAL JOURNAL
出版日期2024-12-01
卷号977期号:2
ISSN号0004-637X
DOI10.3847/1538-4357/ad9006
产权排序第1完成单位
文献子类Article
英文摘要High spatial resolution observation of solar prominence is an important observation subject of the New Vacuum Solar Telescope (NVST). While the current level of observation and image reconstruction technologies for solar prominences are advanced, a significant challenge remains in achieving high-precision alignment among high-resolution prominence images observed at different times and different off-bands. Existing alignment approaches either become ineffective or yield low accuracy, and always require manual intervention during the alignment. These limitations are largely due to the stronger edge gradient and lower structural contrast of the prominence images compared with the solar surface ones. In response to this challenge, our study aims to develop an effective and robust algorithm for high-precision alignment of the prominence images. We thoroughly consider the unique structural characteristics of prominence images and the specific application conditions of various alignment algorithms. Consequently, we propose a comprehensive alignment method that incorporates the optical flow field of the solar surface, the gradient of the solar edge, and the cross-correlation within the solar prominence region. This method is designed to accurately determine the movement displacements among the prominence images. Our results demonstrate that this alignment method excels in both accuracy and robustness, making it well-suited for handling the diverse postures of solar prominence images captured by the NVST.
学科主题天文学 ; 太阳与太阳系
URL标识查看原文
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
WOS关键词RECONSTRUCTION ; RECONNECTION
资助项目Natural Science Foundation of China (NSFC)[12273110]; Natural Science Foundation of China (NSFC)[12373115]; Natural Science Foundation of China (NSFC)[12073077]; Natural Science Foundation of China (NSFC)[11973088]; Yunnan Province XingDian Talent Support Program; Yunnan Top-notch Talent Training Support Program; Yunnan Fundamental Research Projects[202401AW07006]; Yunnan Fundamental Research Projects[202301AT070350]; The Yunnan Revitalization Talent Support Program Innovation Team Project[202405AS350012]; Yunnan Key Laboratory of Solar Physics and Space Science[202205AG070009]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001375955800001
出版者IOP Publishing Ltd
资助机构Natural Science Foundation of China (NSFC)[12273110, 12373115, 12073077, 11973088] ; Yunnan Province XingDian Talent Support Program ; Yunnan Top-notch Talent Training Support Program ; Yunnan Fundamental Research Projects[202401AW07006, 202301AT070350] ; The Yunnan Revitalization Talent Support Program Innovation Team Project[202405AS350012] ; Yunnan Key Laboratory of Solar Physics and Space Science[202205AG070009]
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/27856]  
专题云南天文台_抚仙湖太阳观测站
天文技术实验室
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming Yunnan 650216, People's Republic of China;
2.Yunnan Key Laboratory of Solar Physics and Space Science, Kunming Yunnan 650216, People's Republic of China
推荐引用方式
GB/T 7714		 Cai YF,Xiang YY,Ji KF. The Alignment of High-resolution Solar Prominence Images Observed by the New Vacuum Solar Telescope[J]. ASTROPHYSICAL JOURNAL,2024,977(2).
APA 蔡云芳,向永源,&季凯帆.(2024).The Alignment of High-resolution Solar Prominence Images Observed by the New Vacuum Solar Telescope.ASTROPHYSICAL JOURNAL,977(2).
MLA 蔡云芳,et al."The Alignment of High-resolution Solar Prominence Images Observed by the New Vacuum Solar Telescope".ASTROPHYSICAL JOURNAL 977.2(2024).

入库方式： OAI收割

来源：云南天文台

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