Structures in Dusty Disks

Details Structures in Dusty Disks Structures in Dusty Disks

2004-05-24

arxiv.org/abs/astro-ph/0405471v1

Astronomy and Astrophysics

Astrophysics

Review paper, 12 pages, 3 figures, proceedings of the XIXth IAP Colloquium "Extrasolar Planets, Today And Tomorrow". A version

Scientific paper

Optically thin dusty disks around Main Sequence stars consist of debris from catastrophic collisions or from low erosion of long-lived planetesimals. Resolved observations of dusty disks have systematically evidenced asymmetries and annular structures. It has been proposed that some of these structures could be signatures of undetected exoplanets. In this paper, I review and discuss currently proposed models to account for the observed structures. These include the impact of distant exoplanets and/or of stellar companions. The Solar System serves as a reference case for these approaches and similarities are pointed out along the paper as well as some limitations of current modeling efforts.

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