• AEROSPACE SHANGHAI
  • Vol. 41, Issue 3, 9 (2024)
Cheng FANG*, Mingde DING, Pengfei CHEN, Chuan LI, Xin CHENG, Yang GUO, Yu DAI, and Zhen LI
Author Affiliations
  • School of Astronomy and Space Science, Nanjing University, Nanjing210023, , China
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    DOI: 10.19328/j.cnki.2096-8655.2024.03.002 Cite this Article
    Cheng FANG, Mingde DING, Pengfei CHEN, Chuan LI, Xin CHENG, Yang GUO, Yu DAI, Zhen LI. Overview of the Lagrange-V Solar Observatory LAVSO)[J]. AEROSPACE SHANGHAI, 2024, 41(3): 9 Copy Citation Text show less
    Relative positions of the five Lagaragian points of the solar-terrestrial system in the ecliptic plane
    Fig. 1. Relative positions of the five Lagaragian points of the solar-terrestrial system in the ecliptic plane
    Scientific key questions to be solved,innovative methods to be used,and scientific application objectives to be achieved for the LAVSO
    Fig. 2. Scientific key questions to be solvedinnovative methods to be usedand scientific application objectives to be achieved for the LAVSO
    Observation results of the vector magnetic field[28]
    Fig. 3. Observation results of the vector magnetic field28
    Magnetic flux rope:the pre-existence hot channel structure of solar eruptions[29]
    Fig. 4. Magnetic flux rope:the pre-existence hot channel structure of solar eruptions29
    Three-dimensional reconstruction of the structural and kinematic evolution of CME[31]
    Fig. 5. Three-dimensional reconstruction of the structural and kinematic evolution of CME31
    Flight scheme for LAVSO
    Fig. 6. Flight scheme for LAVSO
    科学目标科学问题探测要素
    光球磁场和速度场太阳极紫外成像日冕和日球层成像高能辐射能谱等离子体原位测量
    太阳活动区磁场的起源和演化如何获得高精度磁场
    活动区怎样形成和演
    活动区磁场如何与大尺度磁场耦合
    太阳爆发的三维结构和物理机制太阳爆发的前身结构是什么
    太阳爆发如何释放能量
    太阳爆发如何加速非热粒子
    太阳爆发的传播规律和对地响应日冕物质抛射在太阳风中加速及传播的方式
    共转相互作用区在行星际空间演化的方式
    太阳高能粒子在行星际空间中加速及传播的方式
    Table 1. <bold>Scientific objectives</bold>,<bold>scientific questions</bold>,<bold>and the corresponding detection elements</bold>
    探测要素载荷需求仪器指标要求
    光球磁场和速度场矢量磁像仪

    谱线6 173.34 Å、视场34′×34′、光谱分辨率优于60 mÅ、偏振测量精度优于10-3

    空间分辨率1″、时间分辨率0.5~2.0 h

    太阳极紫外成像极紫外成像仪波段:174 Å和131 Å、偏置视场54′×54′、空间分辨率优于2″、时间分辨率20 s
    日冕和日球层成像日冕和日球层成像包

    日冕仪视场:1.3~15.0 Rs、日球成像仪视场>59°,杂散光抑制水平5×10-11 B0@15 Rs,

    日冕仪时间分辨率5~20 min、日球成像仪时间分辨率60~120 min,空间分辨率3.7″~70.0″

    硬X和伽马射线能谱高能辐射谱仪能段:10~200 keV(能谱)、100~20 MeV(能谱)、10~100 MeV;能谱分辨率:5%@59.5 keV,4.8%@662 keV;时间分辨率:0.1~ 4.0 s
    等离子体原位测量原位探测包

    能量粒子分析仪:5~500 MeV(质子)、20 ~10MeV(电子)、

    8~40 MeV(重离子),能量分辨率<15@200 keV;太阳风离子分析仪:0.03~30.00 keV、

    能量分辨率<6%;矢量磁强计:量程±128 nT、灵敏度0.01 nT/Hz1/2

    Table 2. Scientific payloads and their technical parameters
    Cheng FANG, Mingde DING, Pengfei CHEN, Chuan LI, Xin CHENG, Yang GUO, Yu DAI, Zhen LI. Overview of the Lagrange-V Solar Observatory LAVSO)[J]. AEROSPACE SHANGHAI, 2024, 41(3): 9
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