Solar X-ray and EUV imager on board the FY-3E satellite

Bo Chen; Xiao-Xin Zhang; Ling-Ping He; Ke-Fei Song; Shi-Jie Liu; Guang-Xing Ding; Jin-Ping Dun; Jia-Wei Li; Zhao-Hui Li; Quan-Feng Guo; Hai-Feng Wang; Xiao-Dong Wang; Yun-Qi Wang; Hong-Ji Zhang; Guang Zhang; Zhen-Wei Han; Shuang Dai; Pei-Jie Zhang; Liang Sun; Yang Liu; Peng Wang; Kun Wu; Chen Tao; Shi-Lei Mao; Gui Mei; Liang Yang; Li-Heng Chen; Chun-Yang Han; Bin Huang; Yang Liu; Shuai Ren; Peng Zhou; Ze-Xi Wei; Xiao-Xue Zhang; Yue Zhang; Xin Zheng; Yang Wang; Ya Chen; Jing-Jiang Xie; Fei He; Qiao Song; Wei-Guo Zong; Xiu-Qing Hu; Peng Zhang; Jing-Song Wang; Zhong-Dong Yang

doi:10.1038/s41377-022-01023-z

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Solar X-ray and EUV imager on board the FY-3E satellite

Original Articles

- Solar X-ray and EUV imager on board the FY-3E satellite
- Light: Science & Applications Vol. 11, Issue 12, Pages: 2939-2951(2022)
- Affiliations：
  
  1.Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, China
  2.State Key Laboratory of Applied Optics, Chinese Academy of Sciences, Changchun, China
  3.National Satellite Meteorological Center, China Meteorological Administration, Beijing, China
  4.Key Laboratory of Space Weather, National Center for Space Weather, China Meteorological Administration, Beijing, China
  5.Innovation Center for Fengyun Meteorological Satellite (FYSIC), Beijing, China
  6.Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
- Author bio：
  
  Bo Chen (chenb@ciomp.ac.cn)
  Xiao-Xin Zhang (xxzhang@cma.gov.cn)
  Jing-Song Wang (wangjs@cma.gov.cn)
- Funds：
- DOI：10.1038/s41377-022-01023-z
  CLC：
- Published：31 December 2022，
  
  Published Online：22 November 2022，
  
  Received：09 June 2022，
  
  Revised：18 October 2022，
  
  Accepted：24 October 2022
- Accepted：
Scan QR Code
Chen, B. et al. Solar X-ray and EUV imager on board the FY-3E satellite. Light: Science & Applications, 11, 2939-2951 (2022).
DOI：

Chen, B. et al. Solar X-ray and EUV imager on board the FY-3E satellite. Light: Science & Applications, 11, 2939-2951 (2022). DOI： 10.1038/s41377-022-01023-z.

摘要

Abstract

The solar X-ray and Extreme Ultraviolet Imager (X-EUVI)

developed by the Changchun Institute of Optics

Fine Mechanics and Physics

Chinese Academy of Sciences (CIOMP)

is the first space-based solar X-ray and Extreme ultraviolet (EUV) imager of China loaded on the Fengyun-3E (FY-3E) satellite supported by the China Meteorological Administration (CMA) for solar observation. Since started work on July 11

2021

X-EUVI has obtained many solar images. The instrument employs an innovative dual-band design to monitor a much larger temperature range on the Sun

which covers 0.6–8.0 nm in the X-ray region with six channels and 19.5 nm in the EUV region. X-EUVI has a field of view of 42′

an angular resolution of 2.5″ per pixel in the EUV band and an angular resolution of 4.1″ per pixel in the X-ray band. The instrument also includes an X-ray and EUV irradiance sensor (X-EUVS) with the same bands as its imaging optics

which measures the solar irradiance and regularly calibrates the solar images. The radiometric calibration of X-EUVS on the ground has been completed

with a calibration accuracy of 12%. X-EUVI is loaded on the FY-3E satellite and rotates relative to the Sun at a uniform rate. Flat-field calibration is conducted by utilizing successive rotation solar images. The agreement between preliminarily processed X-EUVI images and SDO/AIA and Hinode/XRT images indicates that X-EUVI and the data processing algorithm operate properly and that the data from X-EUVI can be applied to the space weather forecast system of CMA and scientific investigations on solar activity.

关键词

Keywords

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