On the impact of disk gravity on planetary migration

Details On the impact of disk gravity on planetary migration On the impact of disk gravity on planetary migration

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sf2a.conf..569b&link_type=abstract

SF2A-2006: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics Eds.: D. Barret, F. Casoli, G.

Astronomy and Astrophysics

Astrophysics

Scientific paper

Linear theory as well as numerical simulations of the tidal interaction between a protoplanetary disk and a planet embedded in predict the planet undergoes an orbital decay that brings it to the vicinity of the central star. This is known as planetary migration. The migration rate is very sensitive to the gravitational potential felt by the planet and the disk. In this communication, we show that both the planet and the disk must orbit in a same gravitational potential. If the disk gravity is accounted for, inward migration of low-mass planets is accelerated.

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