Line shapes of rotating stars with application to alpha Lyrae

Line shapes of rotating stars with application to alpha Lyrae
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旋转恒星的线形及其在天琴座α上的应用

DOI:
10.1086/170871
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发表时间:
1992
期刊:
The Astrophysical Journal
影响因子:
--
通讯作者:
G. Elste
G. Elste
中科院分区:
--
文献类型:
--
作者:
G. Elste

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织女星高分辨率光谱中的弱线和中强线的轮廓原则上可以通过标准模式大气预测的它们的等效宽度的中心到边缘的变化来理解。更精细的细节可能需要不同的模型结构,这取决于旋转星星的纬度,也许还有差动旋转
Profiles of weak and medium strong lines in the high-resolution spectrum of Vega can in principle be understood by the center-to-limb variation of their equivalent widths, predicted by a standard model atmosphere. Finer details may require a different model structure depending on the latitude of the rotating star, and perhaps differential rotation