Stripping a Debris Disk by Gravitational Interaction with an Inner Planet

Details Stripping a Debris Disk by Gravitational Interaction with an Inner Planet Stripping a Debris Disk by Gravitational Interaction with an Inner Planet

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ess.....2.3608m&link_type=abstract

American Astronomical Society, ESS meeting #2, #36.08

Astronomy and Astrophysics

Astronomy

Scientific paper

Debris disks are detected through scattered light or thermal emission of their dust, produced by collisions or erosion of planetesimals. The rate of collisions depends on the number density of planetesimals and on the dynamical excitation and geometry of the whole disk. We have studied a debris disk gravitationally perturbed by a single inner planet, by using a numerical integration over a large parameter space for both the orbital elements of the planet and the disk geometry. We discuss our findings in the context of observed orbital elements for exoplanets and plausible disk geometries.
We have studied whether or not a disk can be significantly stripped of its planetesimals because of this interaction, and quantified its final dynamical excitation. We estimate the resulting dust production given that stripping would impede dust production while higher dynamical excitation would enhance it.

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