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Calibration procedures for the CHASE/HIS science data
Qiu, Ye1,2; Rao, ShiHao1,2; Li, Chuan1,2; Fang, Cheng1,2; Ding, MingDe1,2; Li, Zhen1,2; Ni, YiWei1,2; Wang, WenBo1,2; Hong, Jie1,2; Hao, Qi1,2; Dai, Yu1,2; Chen, PengFei1,2; Wan, XiaoSheng1,2; Xu Z(徐稚)3; You, Wei4; Yuan, Yuan4; Tao, HongJiang5; Li, XianSheng5; He, YuKun5; Liu, Qiang5
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
2022-08
卷号65期号:8
DOI10.1007/s11433-022-1900-5
产权排序第3完成单位
收录类别SCI ; EI
关键词space-based telescope solar physics chromosphere photosphere
摘要

The H alpha line is an important optical line in solar observations containing the information from the photosphere to the chromosphere. To study the mechanisms of solar eruptions and the plasma dynamics in the lower atmosphere, the Chinese H alpha Solar Explorer (CHASE) was launched into a Sun-synchronous orbit on October 14, 2021. The scientific payload of the CHASE satellite is the H alpha Imaging Spectrograph (HIS). The CHASE/HIS acquires, for the first time, seeing-free H alpha spectroscopic observations with high spectral and temporal resolutions. It consists of two observational modes. The raster scanning mode provides full-Sun or region-of-interest spectra at H alpha (6559.7-6565.9 angstrom) and Fe I (6567.8-6570.6 angstrom) wavebands. The continuum imaging mode obtains full-Sun photospheric images at around 6689 angstrom. In this paper, we present detailed calibration procedures for the CHASE/HIS science data, including the dark-field and flat-field correction, slit image curvature correction, wavelength and intensity calibration, and coordinate transformation. The higher-level data products can be directly used for scientific research.

资助项目N/A
项目资助者N/A
语种英语
学科领域天文学 ; 太阳与太阳系 ; 太阳物理学 ; 太阳与太阳系其他学科
学科门类理学 ; 理学::天文学
文章类型Article
出版者SCIENCE PRESS
出版地16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
ISSN1674-7348
URL查看原文
WOS记录号WOS:000829961500001
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
关键词[WOS]SOLAR TELESCOPE
EI入藏号20223012407630
EI主题词Calibration
EI分类号549.1 Alkali Metals - 922.1 Probability Theory - 932.3 Plasma Physics
引用统计
被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.ynao.ac.cn/handle/114a53/25376
专题光纤阵列太阳光学望远镜研究组
通讯作者Li, Chuan; Ding, MingDe
作者单位1.School of Astronomy and Space Science, Nanjing University, Nanjing, 210023, China;
2.Key Laboratory for Modern Astronomy and Astrophysics (Nanjing University), Ministry of Education, Nanjing, 210023, China;
3.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650216, China;
4.Shanghai Institute of Satellite Engineering, Shanghai, 201109, China;
5.Changchun Institute of Optics, Fine Mechanics and Physics, University of Chinese Academy of Sciences, Changchun, 130033, China
推荐引用方式
GB/T 7714
Qiu, Ye,Rao, ShiHao,Li, Chuan,et al. Calibration procedures for the CHASE/HIS science data[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2022,65(8).
APA Qiu, Ye.,Rao, ShiHao.,Li, Chuan.,Fang, Cheng.,Ding, MingDe.,...&Liu, Qiang.(2022).Calibration procedures for the CHASE/HIS science data.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,65(8).
MLA Qiu, Ye,et al."Calibration procedures for the CHASE/HIS science data".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 65.8(2022).
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