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Solar Observation with the Fourier Transform Spectrometer. II. Preliminary Results of Solar Spectrum near the CO 4.66 μm and Mg i 12.32 μm

文献类型：期刊论文

作者Bai, Xianyong3,4; Feng, Zhiwei3,4; Zhang, Zhiyong3,4; Deng, Yuanyong3,4; Zhu, Xiaoming3; Ji KF(季凯帆)1; Feng, Song2; Yang, Xiao3; Song, Yongliang3
刊名RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期2023-12-01
卷号23期号:12
ISSN号1674-4527
关键词Sun: infrared methods: observational instrumentation: interferometers
DOI10.1088/1674-4527/acf1e4
产权排序第3完成单位
文献子类Article
英文摘要An infrared solar spectrum observed by ground-based telescopes is seriously affected by the background radiation both from the telescope and sky, relative to the visible wavelengths. Its accuracy is also influenced by the spectral resolution of the Fourier transform spectrometer. In the paper, we developed a CO2 gas cell and installed it in the sample compartment to calibrate the spectral resolution of the Bruker IFS-125HR at infrared wavelengths. The measured spectral resolution is 0.00342 +/- 0.00086 cm(-1) and 0.0059 +/- 0.00024 cm(-1) at the wavenumbers of 798 cm(-1) and 2136 cm(-1), respectively. We also updated a fully reflective sunlight feeding system to observe the solar spectrum near CO 4.66 mu m and Mg i 12.32 mu m. By quickly pointing the sunlight feeding system about 1 degree away from the solar disk center, we are able to measure the background radiation from the telescope and the sky at Huairou Solar Observing Station. After removing the background radiation, our observed solar spectrum at CO 4.66 mu m is consistent with that from the National Solar Observatory. The Mg i 12.32 mu m working line selected by the Accurate Infrared Magnetic Field Measurements of the Sun (AIMS) project is also identified. Our method is helpful not only for the spectral resolution calibration and background radiation correction of AIMS but also for other infrared astronomical telescopes.
学科主题天文学
URL标识查看原文
出版地20A DATUN RD, CHAOYANG, BEIJING, 100101, PEOPLES R CHINA
WOS关键词EMISSION-LINES ; OSCILLATIONS ; TELESCOPE
资助项目This research work is supported by the National Key Ramp;D Program of China (2021YFA1600500), the Youth Innovation Promotion Association CAS (2023061) and the National Natural Science Foundation of China (NSFC, Grant Nos. 12003051 and 11427901).[2021YFA1600500]; National Key Ramp;D Program of China[2023061]; Youth Innovation Promotion Association CAS[12003051]; Youth Innovation Promotion Association CAS[11427901]; National Natural Science Foundation of China (NSFC)
WOS研究方向Astronomy & Astrophysics
语种英语
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
WOS记录号WOS:001094126700001
资助机构This research work is supported by the National Key Ramp ; D Program of China (2021YFA1600500), the Youth Innovation Promotion Association CAS (2023061) and the National Natural Science Foundation of China (NSFC, Grant Nos. 12003051 and 11427901).[2021YFA1600500] ; National Key Ramp ; D Program of China[2023061] ; Youth Innovation Promotion Association CAS[12003051, 11427901] ; National Natural Science Foundation of China (NSFC)
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/26433]  
专题天文技术实验室
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China;
2.Faculty of Information Engineering and Automation/Yunnan Key Laboratory of Computer Technology Application, Kunming University of Science and Technology, Kunming 650500, China
3.National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China; xybai@bao.ac.cn;
4.School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 101408, China;
推荐引用方式
GB/T 7714		 Bai, Xianyong,Feng, Zhiwei,Zhang, Zhiyong,et al. Solar Observation with the Fourier Transform Spectrometer. II. Preliminary Results of Solar Spectrum near the CO 4.66 μm and Mg i 12.32 μm[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2023,23(12).
APA Bai, Xianyong.,Feng, Zhiwei.,Zhang, Zhiyong.,Deng, Yuanyong.,Zhu, Xiaoming.,...&Song, Yongliang.(2023).Solar Observation with the Fourier Transform Spectrometer. II. Preliminary Results of Solar Spectrum near the CO 4.66 μm and Mg i 12.32 μm.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,23(12).
MLA Bai, Xianyong,et al."Solar Observation with the Fourier Transform Spectrometer. II. Preliminary Results of Solar Spectrum near the CO 4.66 μm and Mg i 12.32 μm".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 23.12(2023).

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来源：云南天文台

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