Properties of Hermean plasma belt: Numerical simulations and comparison with MESSENGER data

David Her?ík; Pavel M. Trávní?ek; ?t?pán ?tverákPetr Hellinger

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Properties of Hermean plasma belt: Numerical simulations and comparison with MESSENGER data

机译：Hermean等离子体带的性质:数值与信使数据模拟和比较

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Using a global hybrid model and test particle simulations we present a detailed analysis of the Hermean plasma belt structure. We investigate characteristic properties of quasi-trapped particle population characteristics and its behavior under different orientations of the interplanetary magnetic field. The plasma belt region is constantly supplied with solar wind protons via magnetospheric flanks and tail current sheet region. Protons inside the plasma belt region are quasi-trapped in the magnetic field of Mercury and perform westward drift along the planet. This region is well separated by a magnetic shell and has higher average temperatures and lower bulk proton current densities than the surrounding area. On the dayside the population exhibits loss cone distribution function matching the theoretical loss cone angle. The simulation results are in good agreement with in situ observations of MESSENGER's (MErcury Surface Space ENvironment GEochemistry, and Ranging) MAG and FIPS instruments.

机译：使用全局混合模型和测试粒子我们模拟的详细分析Hermean等离子带结构。quasi-trapped的特征属性粒子及其人口特征行为在不同的方向行星际磁场。地区与太阳风不断供应质子通过磁性层的侧翼和尾巴电流片地区。带地区quasi-trapped磁汞和执行领域向西漂移这个星球。磁性壳具有较高的平均水平温度和较低的大部分质子电流密度比周围地区。人口的光面展品损失锥分布函数匹配理论损失锥角。良好的协议与原位观测信使(水星表面的空间环境地球化学和测距)杂志和FIPS仪器。

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来源
《Journal of Geophysical Research, A. Space Physics: JGR》 |2016年第1期|413-431|共19页
作者
David Her?ík; Pavel M. Trávní?ek; ?t?pán ?tverákPetr Hellinger;
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作者单位

Astronomical Institute, The Czech Academy of Sciences, Prague, Czech Republic;

Institüt für Geophysik und extraterrestrische Physik, TU Braunschweig, Braunschweig, Germany;

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正文语种英语
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关键词
magnetic shell; belts; magnetic fieldsolar windsimulatingHybrid modeshydrogen ions;

机译：磁性外壳;腰带;磁fieldsolarwindsimulatingHybrid modeshydrogen离子;

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Properties of Hermean plasma belt: Numerical simulations and comparison with MESSENGER data

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