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SUMMARY:N-body simulation of later star planetary formation: comparing to 
 observations - Zhou\, J-L (Nanjing)
DTSTART:20091110T122000Z
DTEND:20091110T124000Z
UID:TALK21405@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:The detected explanted systems show orbital characteristic qui
 te different to our solar systems. While planets in solar systems are in n
 ear-circular orbits and have a moderate distance to the sun\, lots of exop
 lanets locate either in close-in orbits\, or in eccentric orbits. To under
 standing the underlying factors\, we performed N-body simulation on the la
 te stage planet formation. Some major signatures of the observed eoxplanet
 s are reproduced\, especially the eccentricity-semimajor relation. We also
  find that the depletion timescale of protoplanetary disk makes the differ
 ence between the solar system and exoplanet systems. A planetary category 
 is proposed according to this effect.
LOCATION:Satellite
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