Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011dda....42.0901t&link_type=abstract
American Astronomical Society, DDA meeting #42, #9.01; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
The ensemble of now over 500 discovered exoplanets displays a wide range of masses, orbits and in multiple systems, dynamical interactions. These represent the endpoint of a complex sequence of events, wherein an entire protostellar disk converts itself into a small number of planetary bodies. Past work by various groups using "population synthesis"-style simulations has given us important insight into these processes. For our part, we have demonstrated that interactions among the growing/newborn planets---not just gravitational, but also competitive accretion---play a pivotal role. This makes the early history of a typical planetary system fairly violent. I will discuss recent work, in which we follow up on our earlier "hybrid N-body" modelling with full hydrodynamic simulations.
This work is supported by Canada's National Sciences and Engineering Research Council (NSERC)
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