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

被引：21

作者：

Chen, Bo ^{[1
,2
]}

Zhang, Xiao-Xin ^{[3
,4
,5
]}

He, Ling-Ping ^{[1
,2
]}

Song, Ke-Fei ^{[1
,2
]}

Liu, Shi-Jie ^{[1
,2
]}

Ding, Guang-Xing ^{[1
,2
]}

Dun, Jin-Ping ^{[3
,4
,5
]}

Li, Jia-Wei ^{[3
,4
,5
]}

Li, Zhao-Hui ^{[1
]}

Guo, Quan-Feng ^{[1
]}

Wang, Hai-Feng ^{[1
]}

Wang, Xiao-Dong ^{[1
]}

Wang, Yun-Qi ^{[1
]}

Zhang, Hong-Ji ^{[1
,2
]}

Zhang, Guang ^{[1
]}

Han, Zhen-Wei ^{[1
]}

Dai, Shuang ^{[1
]}

Zhang, Pei-Jie ^{[1
]}

Sun, Liang ^{[1
]}

Liu, Yang ^{[1
]}

Wang, Peng ^{[1
]}

Wu, Kun ^{[1
]}

Tao, Chen ^{[1
]}

Mao, Shi-Lei ^{[1
]}

Mei, Gui ^{[1
]}

Yang, Liang ^{[1
]}

Chen, Li-Heng ^{[1
]}

Han, Chun-Yang ^{[1
]}

Huang, Bin ^{[1
]}

Ren, Shuai ^{[1
]}

Zhou, Peng ^{[1
]}

Wei, Ze-Xi ^{[1
]}

Zhang, Xiao-Xue ^{[1
]}

Zhang, Yue ^{[1
]}

Wang, Yang ^{[1
]}

Zheng, Xin ^{[1
]}

Chen, Ya ^{[1
]}

Xie, Jing-Jiang ^{[1
]}

He, Fei ^{[6
]}

Song, Qiao ^{[3
,4
,5
]}

Zong, Wei-Guo ^{[3
,4
,5
]}

Hu, Xiu-Qing ^{[3
]}

Zhang, Peng ^{[3
,5
]}

Wang, Jing-Song ^{[3
,4
,5
]}

Yang, Zhong-Dong ^{[3
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Changchun, Peoples R China

[2] Chinese Acad Sci, State Key Lab Appl Opt, Changchun, Peoples R China

[3] China Meteorol Adm, Natl Satellite Meteorol Ctr, Beijing, Peoples R China

[4] China Meteorol Adm, Natl Ctr Space Weather, Key Lab Space Weather, Beijing, Peoples R China

[5] Innovat Ctr Fengyun Meteorol Satellite FYSIC, Beijing, Peoples R China

[6] Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China

来源：

LIGHT-SCIENCE & APPLICATIONS | 2022年 / 11卷 / 01期

基金：

美国国家科学基金会;

关键词：

IMAGING TELESCOPE; TRANSITION REGION; SOHO;

D O I：

10.1038/s41377-022-01023-z

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页数：13

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