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Direct Measurement of AIA 171 Coronal Loop Transparency
li, Hongbo1,2; Feng, Hengqiang1; Tian, Zhanjun1; Zhang XF(张雪飞)3; Liu, Jihong4; Zhao, Guoqing1; Zhao, Yan1; Cai, Hao1; Liang, Yuanxi1; Guo, Runze1
发表期刊ASTROPHYSICAL JOURNAL
2022-08-01
卷号934期号:2
DOI10.3847/1538-4357/ac7da5
产权排序第3完成单位
收录类别SCI
摘要

Observations suggest that coronal loops should not be completely transparent. The transparency of coronal loops is rarely investigated in spite of its key role in coronal diagnostics. Here, we present an original investigation of Atmospheric Imaging Assembly 171 coronal loop transparency directly from the radiation of visually intersecting coronal loops, which strongly indicates that the coronal loops may have significant opaqueness on the 171 angstrom radiation, and therefore should not be optical thin structures at least for some coronal lines. We suggest that this result may not only be helpful for explaining some basic observational features of coronal loops, but also in bringing new clues to the radiation-based diagnostics.

资助项目National Scientific Foundation of China[NSFC 11903016] ; National Scientific Foundation of China[41974197] ; National Scientific Foundation of China[41874204] ; National Scientific Foundation of China[11873090] ; National Scientific Foundation of China[42174202] ; National Scientific Foundation of China[42104158]
项目资助者National Scientific Foundation of China[NSFC 11903016, 41974197, 41874204, 11873090, 42174202, 42104158]
语种英语
学科领域天文学 ; 太阳与太阳系
学科门类理学 ; 理学::天文学
文章类型Article
出版者IOP Publishing Ltd
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS记录号WOS:000835048000001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]X-RAY TELESCOPE ; EMISSION-MEASURE ; RESONANT SCATTERING ; RECONSTRUCTIONS ; TEMPERATURE ; STEREO ; LINES ; IRIS ; SUN
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.ynao.ac.cn/handle/114a53/25521
专题选址与日冕观测组
通讯作者Feng, Hengqiang
作者单位1.Institute of Space Physics, Luoyang Normal University, Luoyang, People's Republic of China; fenghq9921@163.com;
2.Henan Key Laboratory of Electromagnetic Transformation and Detection, Luoyang 471934, People's Republic of China;
3.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, People's Republic of China;
4.College of Physics, College of Mechanical and Electrical Engineering, Shijiazhuang University, Shijiazhuang 050035, People's Republic of China
推荐引用方式
GB/T 7714
li, Hongbo,Feng, Hengqiang,Tian, Zhanjun,et al. Direct Measurement of AIA 171 Coronal Loop Transparency[J]. ASTROPHYSICAL JOURNAL,2022,934(2).
APA li, Hongbo.,Feng, Hengqiang.,Tian, Zhanjun.,Zhang XF.,Liu, Jihong.,...&Guo, Runze.(2022).Direct Measurement of AIA 171 Coronal Loop Transparency.ASTROPHYSICAL JOURNAL,934(2).
MLA li, Hongbo,et al."Direct Measurement of AIA 171 Coronal Loop Transparency".ASTROPHYSICAL JOURNAL 934.2(2022).
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