原子数据的不变性及其通过光谱模型的传播。I
Uncertainties in Atomic Data and Their Propagation Through Spectral Models. I
摘要：
我们提出了一种计算光谱模型中的不确定性的方法，即水平人口，线发射率和发射线比，基于传播的不确定性源自原子数据。我们提供了解析表达式，在线性代数方程组的形式，为各级之间的耦合不确定性。这些方程可以有效地解决任何一组的物理条件和原子数据的不确定性。我们说明了我们的方法适用于光谱模型的O III和Fe II，并讨论在不同的物理条件下的原子系统的不确定性的影响。至于理论原子数据中的内在不确定性，我们建议这些不确定性可以从各种独立计算的结果中的分散性来估计。这种技术提供了很好的结果，在[Fe II]禁戒跃迁的A值的不确定性。
英文摘要：
We present a method for computing uncertainties in spectral models, i.e. level populations, line emissivities, and emission line ratios, based upon the propagation of uncertainties originating from atomic data. We provide analytic expressions, in the form of linear sets of algebraic equations, for the coupled uncertainties among all levels. These equations can be solved efficiently for any set of physical conditions and uncertainties in the atomic data. We illustrate our method applied to spectral models of O III and Fe II and discuss the impact of the uncertainties on atomic systems under different physical conditions. As to intrinsic uncertainties in theoretical atomic data, we propose that these uncertainties can be estimated from the dispersion in the results from various independent calculations. This technique provides excellent results for the uncertainties in A-values of forbidden transitions in [Fe II].
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