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The Temperature Structure of Active Region Loops

机译：有源区环的温度结构

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Previous solar observations have shown that coronal loops near 1 MK are difficult to reconcile with simple heating models. These loops have lifetimes that are long relative to a radiative cooling time and densities that are large relative to thermodynamic equilibrium. Models proposed to explain these properties generally rely on the existence of small scale filaments that are in various stages of heating and cooling, suggesting a distribution of temper-atures within a loop. We present the observation of an evolving coronal loop observed with EIS/ Hinode and TRACE. This loop has a high density, a narrow distribution of temperatures, and a lifetime that is long relative to a radiative cooling time. These properties will be difficult to reconcile with physical models of coronal loops.
机译：以前的太阳观察结果表明，难以使用简单的加热模型调和冠状环。这些环具有相对于辐射冷却时间和相对于热力学平衡而大的密度长的寿命。建议解释这些性质的模型通常依赖于在加热和冷却的各个阶段的小规模长丝的存在，这表明在环内的发脾气分布。我们介绍了用EIS / Hinode和痕迹观察到的不断发展的冠状循环。该环具有高密度，温度窄分布，以及相对于辐射冷却时间长的寿命。这些属性将难以与冠状环的物理模型调和。

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