# g_II-A Computes Hummer (1962) "II-A" redistribution function after fast approximations of Gouttebroze (1986) ## Language python ## Date April 7, 2020 ## Parameters **a**: damping parameter (float) for the Lorentz profile (psiw) **apr**: 0 or 1; 1 provides a better approximation (see Gouttebroze 1986) **xp**: array of *incoming* reduced frequencies **x**: values for *outgoing* reduced frequencies ## Usage python3 (-i) gii-a_G1986.py ## Bibliography [Gouttebroze, P., 1986, A&A, 160, 195](https://ui.adsabs.harvard.edu/abs/1986A&A...160..195G/abstract) ## License [CC-BY-NC-SA](https://creativecommons.org/licenses/by-nc-sa/4.0/)