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M. Palotti, S. D. Doty (Denison University)
Due to the extremely non-linear dependence of observable quantities on source properties, it is often necessary to use detailed models to help interpret observational data. A key parameter in these studies in the temperature and temperature distribution, as it effects the level populations of the gas, and the underlying thermal radiation for dust. Using a new 3-d continuum radiative transfer model, we explore the effects of different source geometries (e.g. spheres, disks, and cubes) on the temperature distribution and emergent spectrum. We also consider the effects of clumping within the source, as well as non-uniform irradiation. We present early results and interpretation of this work.