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Influence of the inclination damping on the formation of planetary systems

Published online by Cambridge University Press:  05 January 2015

Sotiris Sotiriadis ,
Anne-Sophie Libert  and
Kleomenis Tsiganis
Sotiris Sotiriadis
Affiliation:
naXys, Department of Mathematics, University of Namur, Belgium email: [email protected], [email protected]
Anne-Sophie Libert
Affiliation:
naXys, Department of Mathematics, University of Namur, Belgium email: [email protected], [email protected]
Kleomenis Tsiganis
Affiliation:
Department of Physics, Aristotle University of Thessaloniki, Greece email: [email protected]
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Abstract

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Highly non-coplanar extrasolar systems (e.g. Upsilon Andromedae) and unexpected spin-orbit misalignment of some exoplanets have been discovered. In Libert and Tsiganis (2011), a significant increase of the mutual inclination of some multi-planet systems has been observed during the type II migration, as a result of planet-planet scattering and/or resonant interactions between the planets. Here we investigate the effect of the inclination damping due to planet-disk interactions on the previous results, for a variety of planetary systems with different initial configurations and mass ratios. Using the damping formulae for eccentricity and inclination provided by the numerical hydrodynamical simulations of Bitsch et al. (2013), we examine their impact on the possible multiple resonances between the planets and how the growth in eccentricity and inclination is affected.

Keywords

planetary systems: formationplanet-disc interactionsresonance captureinclination
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Issue S310: Complex Planetary Systems , July 2014 , pp. 220 - 222
Copyright
Copyright © International Astronomical Union 2014 

References

Bitsch, B., Crida, A., Libert, A.-S., & Lega, E. 2013, A&A, 555Google Scholar
Libert, A.-S. & Tsiganis, K. 2011, Celes Mech. Dyn. Astr., 111Google Scholar
Thommes, E. W. & Lissauer, J. J. 2003 ApJ, 597CrossRefGoogle Scholar
Ward, W. R. 1997, Icarus, 126Google Scholar