Numerical Modeling of Dusty Disk System Morphologies With Deep Impact Derived Opacities

Mathematics – Logic

Scientific paper

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Scientific paper

We have taken existing dust morphology modeling software, ZODIPIC (Kuchner et al. 2007) and modified the opacity data to reflect the species detected in comets from the Deep Impact mission, the Spitzer survey of comets, STARDUST, and bright exo-planetary dust spectra. Opacities from multiple chemical species were adapted to the ZODIPIC code and now contain spectra that can match the existing spectra from the debris disk systems. User supplied coefficients can now modify pre-programmed spectral species to match morphological outputs with desired empirical expectations. This tool can aid in generating expectations for direct or indirect observations of exoplanetary debris disks. We show example morphological models of silicate rich (e.g., HD69830, Beichman et al. 2005) and carbon-rich (Beta Pic like, Roberge et al. 2007) systems.

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