Overcoming migration during giant planet formation

Details Overcoming migration during giant planet formation Overcoming migration during giant planet formation

2007-01-16

arxiv.org/abs/astro-ph/0701443v1

Astrophys.J.656:L25-L28,2007

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figs, accepted to ApJL

Scientific paper

10.1086/512080

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.

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