http://arxiv.org/abs/2305.09693
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.
A. Carvalho and C. Johns-Krull
Thu, 18 May 23
3/67
Comments: 2 pages, 1 figure, published in RNAAS
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