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An adaptive gaussian quadrature for the Voigt function
2019
Astronomy and Astrophysics
We evaluate an adaptive Gaussian quadrature integration scheme suitable for the numerical evaluation of generalized redistribution in frequency functions. The latter are indispensable ingredients for "full non-LTE" radiation transfer computations, assuming potential deviations of the velocity distribution of massive particles from the usual Maxwell-Boltzmann distribution. A first validation is made with computations of the usual Voigt profile.
doi:10.1051/0004-6361/201937116
fatcat:jibzgl7axrcffb5m2bd7rwpsym