Overcoming Migration during Giant Planet Formation
نویسندگان
چکیده
In the core accretion model, gas giant formation is a race between growth and migration; for a core to become a jovian planet, it must accrete its envelope before it spirals into the host star. We use a multizone numerical model to extend our previous investigation of the “window of opportunity” for gas giant formation within a disk. When the collision cross-section enhancement due to core atmospheres is taken into account, we find that a broad range of protoplanetary disks posses such a window. Subject headings: protoplanetary disks, origin: solar system — planets: formation, planets:extrasolar
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