Modeling of IR Emission from Externally Heated Dust Clouds

Details Modeling of IR Emission from Externally Heated Dust Clouds Modeling of IR Emission from Externally Heated Dust Clouds

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20914908e&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #149.08; Bulletin of the American Astronomical Society,

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We have modified the code DUSTY to solve the radiative transfer equations for a spherical dust cloud externally illuminated from a single direction. Some of the applications of this code include simulations of the radiation emitted by a clumpy dust torus surrounding an AGN, dust clouds in star-forming regions, and evolved stars with a dusty shell exposed to a strong interstellar radiation field. We discuss in detail the case of an optically thick dust cloud in the radiation field of an AGN. Until now, it has been assumed that radiation emitted from such a dust cloud can be approximated by averaging plane-parallel slab solutions for illumination at different angles; here we critically examine this assumption.

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