Volume 33 Issue 2
Mar.  2013
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Article Navigation >  Chinese Journal of Space Science  > 2013  >  33(2): 143-150
WANG Xinyue, ZHANG Aibing, KONG Linggao, ZHANG Xianguo, REN Qiongying, WANG Shijin, H. Réme. In-flight Experiment of Solar Wind Ion Detectors on Chang'E-1 and the Solar Wind Near the Moon[J]. Chinese Journal of Space Science, 2013, 33(2): 143-150. doi: 10.11728/cjss2013.02.143
Citation: WANG Xinyue, ZHANG Aibing, KONG Linggao, ZHANG Xianguo, REN Qiongying, WANG Shijin, H. Réme. In-flight Experiment of Solar Wind Ion Detectors on Chang'E-1 and the Solar Wind Near the Moon[J]. Chinese Journal of Space Science, 2013, 33(2): 143-150. doi: 10.11728/cjss2013.02.143
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In-flight Experiment of Solar Wind Ion Detectors on Chang'E-1 and the Solar Wind Near the Moon

doi: 10.11728/cjss2013.02.143 cstr: 32142.14.cjss2013.02.143
  • 1.

    Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190

  • 2.

    Institut de Recherche en Astrophysique et Planétologie, CNRS, Toulouse 31028, France

  • Received Date: 2011-12-06
  • Rev Recd Date: 2012-07-02
  • Publish Date: 2013-03-15
    Abstract
  • It's the first time for the two scientific instruments of Solar Wind Ion Detectors (SWID-A/B) on Chang'E-1 to explore the plasma environment in the 200km lunar polar orbit. SWIDs are primarily developed for the scientific objectives of measuring the Moon-plasma interactions, and deducing the solar wind bulk speed, density and temperature. SWIDs observe the ions fluxes which include the information of solar wind speed, density and temperature. In this paper, the algorithm of deducing the solar wind bulk speed, density and temperature by the observation results of SWID-A/B is shown. By simulating the solar wind ions injecting to the SWIDs, the algorithm is validated. The characteristics of solar wind near the Moon are studied. During the period of the Sun disturbing comparatively quiet in solar minimum, it is found that the similar trend of variation is maintained when the solar wind go through the interplanetary to the Moon. Whereas the solar wind ions speed and density are the same to those of the upstream interplanetary solar wind, the solar wind temperature near the Moon is 10^3K higher than that of the upstream interplanetary solar wind.

     

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