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Numerical Modelling of Dusty Debris Disks

By SpaceRef Editor
June 17, 2005
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Numerical Modelling of Dusty Debris Disks

Astrophysics, abstract

From: Sarah Maddison [view email]
Date: Mon, 7 Feb 2005 14:56:55 GMT (940kb)

Numerical Modelling of Dusty Debris Disks

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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