Solar X-ray and EUV imager on board the FY-3E satellite
B. Chen; X. X. Zhang; L. P. He; K. F. Song; S. J. Liu; G. X. Ding; J. P. Dun; J. W. Li; Z. H. Li; Q. F. Guo; H. F. Wang; X. D. Wang; Y. Q. Wang; H. J. Zhang; G. Zhang; Z. W. Han; S. Dai; P. J. Zhang; L. Sun; Y. Liu; P. Wang; K. Wu; C. Tao; S. L. Mao; G. Mei; L. Yang; L. H. Chen; C. Y. Han; B. Huang; S. Ren; P. Zhou; Z. X. Wei; X. X. Zhang; Y. Zhang; Y. Wang; X. Zheng; Y. Chen; J. J. Xie; F. He; Q. Song; W. G. Zong; X. Q. Hu; P. Zhang; J. S. Wang and Z. D. Yang
Source PublicationLight-Science & Applications
AbstractThe 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.
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B. Chen,X. X. Zhang,L. P. He,et al. Solar X-ray and EUV imager on board the FY-3E satellite[J]. Light-Science & Applications,2022,11(1):13.
APA B. Chen.,X. X. Zhang.,L. P. He.,K. F. Song.,S. J. Liu.,...&J. S. Wang and Z. D. Yang.(2022).Solar X-ray and EUV imager on board the FY-3E satellite.Light-Science & Applications,11(1),13.
MLA B. Chen,et al."Solar X-ray and EUV imager on board the FY-3E satellite".Light-Science & Applications 11.1(2022):13.
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