论文标题
Stella中线不透明度处理对超新星光曲线的影响
The influence of line opacity treatment in STELLA on supernova light curves
论文作者
论文摘要
我们系统地探讨了线不透明度对超新星光曲线的影响。我们发现，考虑散射和吸收的线不透明度（即模拟荧光影响的热量化）很重要。我们探讨了热层化程度对三种主要类型的超新星的影响：II型，II型II-PECULIAL和II型II-Plateau。为此，我们使用辐射传输代码stella，并在使用光谱合成代码工匠进行的模拟的背景下分析宽带光曲线，并在每种类型的超新星的一些示例中。我们发现，辐射流体动力学代码Stella（0.8-1）中的吸收与散射之间的比率范围为（0.8-1）:( 0.2-0），即推荐的热呈热参数为0.9。
We systematically explore the effect of the treatment of line opacity on supernova light curves. We find that it is important to consider line opacity for both scattering and absorption (i.e. thermalisation which mimics the effect of fluorescence.) We explore the impact of degree of thermalisation on three major types of supernovae: Type Ia, Type II-peculiar, and Type II-plateau. For that we use radiative transfer code STELLA and analyse broad-band light curves in the context of simulations done with the spectral synthesis code ARTIS and in the context a few examples of observed supernovae of each type. We found that the plausible range for the ratio between absorption and scattering in the radiation hydrodynamics code STELLA is (0.8-1):(0.2-0), i.e. the recommended thermalisation parameter is 0.9.
