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Energetic particle radiations measured by particle detector on board CBERS-1 satellite

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Chinese Science Bulletin

Abstract

Using the data measured by energetic particle detector on board CBERS-01 and-02 for the past five years, statistics was made to show the general features of MeV electrons and protons along a solar synchronous orbit at an altitude of 780 km. This height is in the bottom region of the Earth’s radiation belts. Detectors are inside the satellite cabinet and such continuous monitoring of particle radiation environment inside a satellite has seldom conducted so far. After a proper and careful treatment, it is indicated that the data inside satellite are well correlated with the radiation environment outside. Besides the agreement of the general distribution characteristics of energetic electrons and protons with similar observations from other satellites, attention is particularly paid to the disturbed conditions. Variations of particle fluxes are closely related with solar proton events, in general, electron fluxes of outer belt are well correlated with Dst index after three days’ delay while the electron injection occurred almost at the same day during great magnetic storms. It is confirmed that both energetic electrons and protons appear in the Polar Cap region only after the solar proton events.

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Authors and Affiliations

  1. Department of Geophysics, Peking University, Beijing, 100871, China

    Hao YongQiang, Xiao Zuo, Zou Hong & Zhang DongHe

  2. Key Laboratory of Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing, 100080, China

    Xiao Zuo

Authors
  1. Hao YongQiang
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  2. Xiao Zuo
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  3. Zou Hong
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  4. Zhang DongHe
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Corresponding author

Correspondence to Xiao Zuo.

Additional information

Supported by the National Natural Science Foundation of China (Grant Nos. 40636032, 40674089 and 40310223)

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Hao, Y., Xiao, Z., Zou, H. et al. Energetic particle radiations measured by particle detector on board CBERS-1 satellite. CHINESE SCI BULL 52, 665–670 (2007). https://doi.org/10.1007/s11434-007-0087-2

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  • DOI: https://doi.org/10.1007/s11434-007-0087-2

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