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ISSN  2096-3955

CN  10-1502/P

Citation: Ding, G. X., Li, J. W., Zhang, X. X., He, F., He, L. P., Song, K. F., Sun, L., Dai, S., Liu, S. J., Chen, B., Yu, C., Hu, X. Q., Gu, S. Y., Yang, Z. D. and Zhang, P. (2021). Wide-field aurora imager onboard Fengyun satellite: Data products and validation. Earth Planet. Phys., 5(1), 73–78.

2021, 5(1): 73-78. doi: 10.26464/epp2021003


Wide-field aurora imager onboard Fengyun satellite: Data products and validation


Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China


Key Laboratory of Space Weather, National Center for Space Weather, China Meteorological Administration, Beijing 100081, China


Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China


Institutions of Earth Science, Chinese Academy of Sciences, Beijing 100029, China


College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China


State Key Laboratory of Applied Optics, Chinese Academy of Sciences, Changchun 130033, China

Corresponding author: JiaWei Li,

Received Date: 2020-03-02
Web Publishing Date: 2020-10-28

New observations of auroras based on the wide-field aurora imager (WAI) onboard Fengyun-3D (FY-3D) satellite are exhibited in this paper. Validity of the WAI data is analyzed by comparing auroral boundaries derived from WAI observations with results obtained from data collected by the Special Sensor Ultraviolet Spectrographic Imager (SSUSI) aboard the Defense Meteorological Satellite Program (DMSP F18). Dynamic variations of the aurora with the solar wind, interplanetary magnetic field (IMF) parameters, and the SYM-H index are also investigated. The comparison of auroral boundaries indicates that the WAI data are morphologically valid and suitable to the study of auroral dynamics. Effective responses to solar wind parameters indicate that the WAI data can be useful to monitor and predict the Earth’s space weather. Since the configuration of aurora is a good indicator of the solar wind–magnetosphere–ionosphere (SW-M-I) coupling system, and can reflect the disturbance of the space environment, the WAI will provide important data to help us to study the physical processes in space.

Key words: WAI, FY-3D, auroral dynamics, SSUSI, SW-M-I

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Wide-field aurora imager onboard Fengyun satellite: Data products and validation

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