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On type I planetary migration in adiabatic disks

Published online by Cambridge University Press:  01 October 2007

Clément Baruteau  and
Frédéric Masset
Clément Baruteau
Affiliation:
Laboratoire AIM, CEA/DSM - CNRS - Université Paris Diderot, DAPNIA/Service d'Astrophysique, CEA/Saclay, 91191 Gif/Yvette Cedex, France email: clement.baruteau@cea.fr
Frédéric Masset
Affiliation:
Laboratoire AIM, CEA/DSM - CNRS - Université Paris Diderot, DAPNIA/Service d'Astrophysique, CEA/Saclay, 91191 Gif/Yvette Cedex, France email: clement.baruteau@cea.fr IA-UNAM, Ciudad Universitaria, Apartado Postal 70-264, Mexico D.F. 04510, Mexico email: fmasset@cea.fr
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Abstract

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We investigate type I migration in a two-dimensional adiabatic disk. We find entropy perturbations that are advected in the planet's coorbital region. These entropy perturbations yield an excess of corotation torque that scales with the unperturbed entropy gradient at corotation. This torque excess can be large enough to slow down migration significantly, or even stop it.

Keywords

accretionaccretion diskshydrodynamicsmethods: numerical
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S249: Exoplanets: Detection, Formation and Dynamics , October 2007 , pp. 397 - 400
Copyright
Copyright © International Astronomical Union 2008

References

Baruteau, C., & Masset, F. 2008, ApJ, 672, 1054Google Scholar
Paardekooper, S.-J., & Mellema, G. 2006, A&A, 459, L17Google Scholar
Ward, W. R. 1997, Icarus, 126, 261Google Scholar