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arXiv 0907.3490astro-ph.SR
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CHIANTI -发射谱线的原子数据库。X.用Hinode/EIS观测的冷特征的光谱图集

CHIANTI - An atomic database for emission lines. X. Spectral atlas of a cold feature observed with Hinode/EIS

E. Landi, P. R. Young

摘要:

在这项工作中,我们报告了一个冷,明亮的一部分,由Hinode/EIS观察到的活动区域。在过渡区温度下,发射的等离子体非常明亮,在10^5-10^6 K之间形成的离子线强度比正常值有所增强。该数据集构成了一个很好的实验室,过渡区离子的发射可以进行测试。我们首先确定所观察到的等离子体的热结构,然后我们使用它1)开发光谱图谱,2)通过比较预测的发射率与观察到的强度来评估CHIANTI原子数据的质量。我们确定了几条从未观察到的太阳光谱线,并找到了一个整体极好的协议Chianti预测的发射率和观测。

英文摘要:

In this work we report on a cold, bright portion of an active region observed by Hinode/EIS. The emitting plasma was very bright at transition region temperatures, and the intensities of lines of ions formed between 10^5-10^6 K were enhanced over normal values. The data set constitutes an excellent laboratory where the emission of transition region ions can be tested. We first determine the thermal structure of the observed plasma, and then we use it 1) to develop a spectral atlas, and 2) to assess the quality of CHIANTI atomic data by comparing predicted emissivities with observed intensities. We identify several lines never observed before in solar spectra, and find an overall excellent agreement between CHIANTI predicted emissivities and observations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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