Numerical Modelling of Dusty Debris Disks

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Posted: Friday, June 17, 2005

image Astrophysics, abstract

From: Sarah Maddison [view email]
Date: Mon, 7 Feb 2005 14:56:55 GMT   (940kb)
Numerical Modelling of Dusty Debris Disks
Authors: A. T. Deller, S. T. Maddison (Centre for Astrophysics & Supercomputing, Swinburne University)
Comments: 31 pages, 15 figures. Accepted for publication in the Astrophysical Journal. Synthetic debris disk catalogue available at this http URL
Journal-ref: Astrophys.J. 625 (2005) 398-413
Infrared and submillimetre observations of nearby Vega-like stars have revealed a number of clumpy, asymmetric dust debris disks. Previous studies using semi-analytical and numerical methods have suggested planetary companions of various mass as the likely cause of most examples of disk asymmetry. In this paper, we modify an N-body symplectic gravitational integrator to include radiation terms and conduct medium-resolution parameter searches to identify likely planetary candidates in observed Vega-like systems. We also present high resolution models of Vega and epsilon Eridani, comparing our results to those of previous authors, and a new model for Fomalhaut.
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