Debris Disk Structure Arising from Planetary Perturbations

Details Debris Disk Structure Arising from Planetary Perturbations Debris Disk Structure Arising from Planetary Perturbations

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007lyot.confe..32w&link_type=abstract

Proceedings of the conference In the Spirit of Bernard Lyot: The Direct Detection of Planets and Circumstellar Disks in the 21s

Physics

Scientific paper

If there are planets orbiting in a system which also has a debris disk then their gravitational perturbations will impose structure on that disk. This structure is potentially observable leading to the exciting prospect of detecting planets in systems indirectly by looking at the morphology of their debris disks. The 15 or so debris disks which have been imaged are usually not found to be axisymmetric, rather they exhibit asymmetries, clumps, offsets, warps, and spiral structure. Moreover, the same disk when observed at different wavelengths can exhibit different structures. This set of features is exactly that predicted to arise from planetary perturbations, suggesting that we are indeed witnessing the effect of unseen planets. In this talk I will review the ways in which planets impose structure on debris disks and how that is manifested in observations of those disks.

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