Modeling gas–dust interactions in debris disks

Alex Richert (Penn State University)
Event Date and Time: 
Mon, 2016-04-11 15:30 - 16:45
Hennings 318
Local Contact: 
Aaron Boley and Jaymie Matthews
Intended Audience: 
The discovery of debris disks with gas has raised the question of whether gas–dust interactions shape global disk structure, which has implications for the detectability of embedded planets, as well as the distribution of volatiles in young planetary systems. Observed dust-to-gas ratios of order unity in some debris disks suggest that the dust, unlike in protoplanetary disks, is hydrodynamically important, yet this regime remains largely unexplored in the literature. In this talk, I will describe detailed hydrodynamical simulations of gaseous debris disks aimed at understanding the role of gas–dust interactions in shaping the observable dust distribution, with an emphasis on the observability of embedded planets.
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