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NONRADIAL CORONAL STREAMERS

机译:非径向冠状动脉

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摘要

The appearance of white light streamers in the outer solar corona is simulated by applying simple extrapolation models to the photospheric magnetic field and taking line-of-sight electron scattering into account. Highly nonradial streamers are obtained when the electrical currents are confined to thin sheets and the photospheric field contains a strong quadrupole (or higher order multipole) component, in addition to the normally dominant dipole. The finite angular resolution of the simulations gives rise to faint, multiple raylike structures or striations, which may mimic the effect of density inhomogeneities in the heliospheric current sheet.
机译:通过将简单的外推模型应用于光球磁场并考虑视线电子散射,可以模拟外部太阳日冕中白光流星的出现。当电流被限制在薄片上并且光球场除了通常占主导地位的偶极子之外,还包含一个强四极子(或更高阶的多极子)分量时,将获得高度非辐射的流光。模拟的有限角度分辨率会产生微弱的多重射线状结构或条纹,这可能会模拟日球层电流片中密度不均匀性的影响。

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