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Zhou, J-L (Nanjing)
Tuesday 10 November 2009, 12:20-12:40
N-body simulation of later star planetary formation: comparing to observations
- đ¤ Speaker: Zhou, J-L (Nanjing)
- đ Date & Time: Tuesday 10 November 2009, 12:20 - 12:40
- đ Venue: Satellite
Abstract
The detected explanted systems show orbital characteristic quite different to our solar systems. While planets in solar systems are in near-circular orbits and have a moderate distance to the sun, lots of exoplanets locate either in close-in orbits, or in eccentric orbits. To understanding the underlying factors, we performed N-body simulation on the late stage planet formation. Some major signatures of the observed eoxplanets are reproduced, especially the eccentricity-semimajor relation. We also find that the depletion timescale of protoplanetary disk makes the difference between the solar system and exoplanet systems. A planetary category is proposed according to this effect.
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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