宽波长范围高色散光谱旋转展宽的简单代码
A Simple Code for Rotational Broadening of Broad Wavelength Range High-Dispersion Spectra
AI总结：
针对自转天体高色散光谱的谱线展宽问题，提出一种快速且随光谱数组长度线性扩展的简单旋转展宽方法，在大波长范围下显著优于基于卷积的展宽，并公开了代码实现。
摘要：
在恒星和行星等自转天体的高色散光谱中，自转对谱线展宽有显著贡献，有时甚至起主导作用。我们提出了一种对高色散光谱大波长范围进行旋转展宽的简单方法。该展宽过程迅速，且随光谱数组长度的增加呈线性增长。对于大波长范围，该方法比常用的基于卷积的展宽方法快得多。我们在公开可访问的代码库中提供了该方法的代码实现。
英文摘要：
In high dispersion spectra of rotating bodies such as stars and planets, the rotation contributes significantly to, and sometimes dominates, the line broadening. We present a simple method for rotationally broadening large wavelength ranges of high-dispersion spectra. The broadening is rapid and scales linearly with the length of the spectrum array. For large wavelength ranges, the method is much faster than the popular convolution-based broadening. We provide the code implementation of this method in a publicly accessible repository.
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