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Current understanding of the heating of the solar corona

机译:当前对太阳电晕加热的了解

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The heating of the solar corona is thought to occur through the dissipation of magnetohydrodynamic (MHD) wave energy and/or through energy released during the reconnection of magnetic fields. Observations of emission line fluxes and widths provide constraints that must be satisfied by the proposed heating and dissipation processes. Although observations of the Sun provide the most detailed information, observations of other main-sequence stars lead to trends in coronal parameters with simple indicators of stellar magnetic activity that must also be explained by any successful theory. Observations of the quiet (average) solar transition region and inner corona are broadly consistent with coronal heating by high frequency Alfven waves, which might be generated by magnetic reconnection. [References: 72]
机译:据认为,太阳电晕的加热是通过磁流体动力(MHD)波能的消散和/或通过在磁场重新连接期间释放的能量而发生的。对发射线通量和宽度的观察提供了所提出的加热和散热过程必须满足的约束条件。尽管对太阳的观测提供了最详细的信息,但对其他主序恒星的观测却导致了具有简单恒星磁性活动指标的日冕参数趋势,任何成功的理论都必须对此加以解释。安静(平均)的太阳过渡区域和内部日冕的观测结果与高频阿尔夫文波的日冕加热大致一致,后者可能是由磁重联产生的。 [参考:72]

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