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《Chinese Journal of Geophysics》 2016-09
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Energetic particle observations on board the FY2G satellite

WANG Chun-Qin;SUN Yue-Qiang;ZHANG Shen-Yi;JIN Tao;ZHANG Huan-Xin;LI Jia-Wei;ZHANG Xiao-Xin;WEI Fei;SHEN Guo-Hong;HUANG Cong;LIANG Jin-Bao;SHI Chun-Yan;National Space Science Center,Chinese Academy of Sciences;Beijing Key Laboratory of Space Environment Exploration;National Satellite Meteorological Center,National Center for Space Weather;  
The FY2 series satellites are the principal observational platforms for covering dynamic weather events and the near-earth space environment in China.High energy particle detectors carried on the satellites have provided continuous and simultaneous monitoring of the geosynchronous energetic particle environment.The FY2 Gsatellite is equipped with a new generation of energetic particle detectors,including two instruments for monitoring geostationary altitude incident flux density of protons,alpha particles,and electrons in more extensive and precise range of energylevels.The high energy electrons instrument senses incident flux of 200 keV to greater than4 MeV high energy electrons with eleven channels.The high energy protons and heavy ions instrument senses incident flux of high energy protons with seven channels from 4MeV to 300 MeV.The paper presents several representative observations performed from Jan 2015 until Oct 2015 with the new detector aboard on the FY2 G satellite.A precise description and preliminary analysis of particle dynamics during disturbances such as magnetic storm,substorm,and solar eruption suggests that the detector can accurately respond to various disturbances and can provide refined particles data.Further comparison of particle dynamic observations of FY2 Gsatellite with GOES series satellites leads us to believe that significant differences exist in particle flux evolvement.It appears that under some conditions the energetic particle fluxes can enter into a coherent level,yet intensive disturbances can cause great difference between observations of the satellites,which can be helpful for data assimilation of multi-satellite as well as further research in more complicated magnetosphere energy particle dynamics.
【Fund】: 国家自然科学基金(41404149)资助
【CateGory Index】: P353
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