论文标题

太阳能X射线电晕

The Solar X-ray Corona

论文作者

Testa, Paola, Reale, Fabio

论文摘要

来自太阳的X射线发射揭示了一个非常动态的热气,电晕的特征是复杂的形态和广泛的可变性和空间结构的时间尺度。太阳能磁场在太阳电晕的加热和结构中起着基本作用。越来越高的X射线太阳能观测值具有高空间(向下降至Subarcsec)和时间分辨率,提供了基本信息,以完善我们对太阳能磁活动的理解以及导致太阳外层大气加热的基本物理过程。在这里,我们简要介绍了X射线太阳能观察结果,并总结了我们对太阳能电晕的最新进展,这是最先进的当前X射线观察结果。

The X-ray emission from the Sun reveals a very dynamic hot atmosphere, the corona, which is characterized by a complex morphology and broad range of timescales of variability and spatial structuring. The solar magnetic fields play a fundamental role in the heating and structuring of the solar corona. Increasingly higher quality X-ray solar observations with high spatial (down to subarcsec) and temporal resolution provide fundamental information to refine our understanding of the solar magnetic activity and of the underlying physical processes leading to the heating of the solar outer atmosphere. Here we provide a brief historical overview of X-ray solar observations and we summarize recent progress in our understanding of the solar corona as made possible by state-of-the-art current X-ray observations.

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