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The space environment monitor aboard FY-2 satellite

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Abstract

The space environment monitor (SEM) aboard FY-2 satellite consists of the high energy particle detector (HEPD) and the solar X-ray flux detector (SXFD). The SEM can provide real-time monitoring of flare and solar proton event for its operation at geostationary orbit and is also the first Chinese space system for monitoring and alerting solar proton event. During the 23rd solar maximum cycle, almost all the solar proton events that took place in this period are monitored and some of them are predicted successfully by analyzing the characteristics of X-ray flare monitored by the SEM. Some basic variation characteristics of particle at geostationary orbit are found such as day-night periodic variation of particle flux, the electron flux with energy >1.4 MeV in the scope from 10 to 200/cm2.s.sr and the proton flux with energy >1.1 MeV in the scope from 600 to 8000/cm2.s.sr during the time with no magnetic storm and solar eruption.

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Authors and Affiliations

  1. The Center for Space Science and Applied Research, Chinese Academy of Sciences, 100080, Beijing, China

    Guangwu Zhu, Baoquan Li, Shijin Wang, Hua’an Lin, Jinbao Liang, Yueqiang Sun & Weiqi Wu

Authors
  1. Guangwu Zhu
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  2. Baoquan Li
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  3. Shijin Wang
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  4. Hua’an Lin
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  5. Jinbao Liang
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  6. Yueqiang Sun
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  7. Weiqi Wu
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Corresponding author

Correspondence to Guangwu Zhu.

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Zhu, G., Li, B., Wang, S. et al. The space environment monitor aboard FY-2 satellite. Sci China Ser G: Phy & Ast 48, 26–32 (2005). https://doi.org/10.1007/BF02736583

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  • DOI: https://doi.org/10.1007/BF02736583

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