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The DIRTY Model. I. Monte Carlo Radiative Transfer Through Dust

Karl D. Gordon·K. A. Misselt·Adolf N. Witt·Geoffrey C. Clayton
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Abstract

We present the DIRTY radiative transfer model in this paper and a companion paper. This model computes the polarized radiative transfer of photons from arbitrary distributions of stars through arbitrary distributions of dust using Monte Carlo techniques. The dust re-emission is done self-consistently with the dust absorption and scattering and includes all three important emission paths: equilibrium thermal emission, non-equilibrium thermal emission, and the aromatic features emission. The algorithm used for the radiative transfer allows for the efficient computation of the appearance of a model system as seen from any viewing direction. We present a simple method for computing an upper limit on the output quantity uncertainties for Monte Carlo radiative transfer models which use the weighted photon approach.

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Karl D. Gordon, K. A. Misselt, Adolf N. Witt, Geoffrey C. Clayton. 2000-11-30. The DIRTY Model. I. Monte Carlo Radiative Transfer Through Dust. https://doi.org/10.1086/320082

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