Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-05-23
Astrophys.J.537:L65-L68,2006
Astronomy and Astrophysics
Astrophysics
ApjL accepted. 11p including 3 figures. Color version of figure 1 available at http://www.mpia-hd.mpg.de/homes/andy/publicatio
Scientific paper
10.1086/312752
We show that planet formation via both gravitational collapse and core accretion is unlikely to occur in equal mass binary systems with moderate (~ 50 AU) semi-major axes. Internal thermal energy generation in the disks is sufficient to heat the gas everywhere so that spiral structures quickly decay rather than grow or fragment. This same heating will inhibit dust coagulation because the temperatures rise above the vaporization temperatures of many volatile materials. We consider other processes not included in the model and conclude that our temperatures are conservatively estimated (low), i.e. planet formation is less likely in real systems than in the model.
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