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Calibration and Performance of the Full-Disk Vector MagnetoGraph (FMG) on Board the Advanced Space-Based Solar Observatory (ASO-S)

文献类型：期刊论文

作者Bai, Xianyong5,6,7; Deng, Yuanyong5,6,7; Zhang, Haiying4,6; Yang, Jianfeng3; Li, Fu3; Su, Jiangtao5,6,7; Liu, Suo5,7; Song, Yongliang5,7; Ji KF(季凯帆)2; Huang, Yu1
刊名SOLAR PHYSICS
出版日期2024-11
卷号299期号:11
关键词Sun Magnetic fields Polarimetry Calibration
ISSN号0038-0938
DOI10.1007/s11207-024-02400-0
产权排序第6完成单位
文献子类Article
英文摘要We present the ground calibration and on-orbit performance of the Full-disk vector MagnetoGraph (FMG) payload on board the Advanced Space-Based Solar Observatory (ASO-S), which is China's first spaceborne magnetograph. FMG has the ability to acquire the full-disk Stokes I, Q/I, U/I, and V/I maps with a spatial resolution of about 1.5 arcsec. The Lyot filter for the flight model has a full width at half maximum of 0.01 nm. Using two calibration lenses, we measure the non-uniform wavelength drift across the entire field of view, with a maximum value of 0.003 nm. The on-orbit polarization sensitivity is approximately 0.00039 and 0.0009 for the deep integration and routine modes, corresponding to a cadence of 18 and 2 minutes, respectively. The corresponding sensitivity of the longitudinal magnetic field is 8.5 G and 20 G with the current linear calibration coefficient of 21,913. Since 1 April 2023, FMG has released Level 2 filtergram and longitudinal magnetic field data products for active regions. Furthermore, line-of-sight Carrington synoptic magnetograms spanning a 27-day solar rotation can be generated, which have been released to the public since February 2024. The longitudinal magnetic field obtained by FMG is consistent with that of the Helioseismic and Magnetic Imager on board the Solar Dynamic Observatory and the Solar Magnetism and Activity Telescope at Huairou Solar Observing Station for the regions without magnetic saturation.
学科主题天文学 ; 太阳与太阳系
URL标识查看原文
出版地VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
WOS关键词TELESCOPE
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences; National Astronomical Observatories of China of CAS, Nanjing Institute of Astronomical Optics and Technology of CAS; Precision Mechanics of CAS; National Space Science Center of CAS; Innovation Academy for Microsatellites of CAS, Xi'an Microelectronics Technology Institute of China Aerospace Science and Technology Corporation, Institute of Fluid Physics, China Academy of Engineering Physics
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001354749700001
出版者SPRINGER
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; National Astronomical Observatories of China of CAS, Nanjing Institute of Astronomical Optics and Technology of CAS ; Precision Mechanics of CAS ; National Space Science Center of CAS ; Innovation Academy for Microsatellites of CAS, Xi'an Microelectronics Technology Institute of China Aerospace Science and Technology Corporation, Institute of Fluid Physics, China Academy of Engineering Physics
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/27682]  
专题天文技术实验室
作者单位1.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210013, China
2.Yunnan Observatories, Chinese Academy of Sciences, Kunming, 650011, China;
3.Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an, 710119, China;
4.Nanjing Institute of Astronomical Optics Technology, Chinese Academy of Sciences, Nanjing, 210042, China;
5.Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China;
6.School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing, 101408, China;
7.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100101, China;
推荐引用方式
GB/T 7714		 Bai, Xianyong,Deng, Yuanyong,Zhang, Haiying,et al. Calibration and Performance of the Full-Disk Vector MagnetoGraph (FMG) on Board the Advanced Space-Based Solar Observatory (ASO-S)[J]. SOLAR PHYSICS,2024,299(11).
APA Bai, Xianyong.,Deng, Yuanyong.,Zhang, Haiying.,Yang, Jianfeng.,Li, Fu.,...&Wang, Chenjie.(2024).Calibration and Performance of the Full-Disk Vector MagnetoGraph (FMG) on Board the Advanced Space-Based Solar Observatory (ASO-S).SOLAR PHYSICS,299(11).
MLA Bai, Xianyong,et al."Calibration and Performance of the Full-Disk Vector MagnetoGraph (FMG) on Board the Advanced Space-Based Solar Observatory (ASO-S)".SOLAR PHYSICS 299.11(2024).

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来源：云南天文台

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