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Planetary Systems Dynamics Eccentric patterns in debris disks & Planetary migration in binary systems

Published online by Cambridge University Press:  06 January 2014

V. Faramaz
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
H. Beust
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
J.-C. Augereau
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
A. Bonsor
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
P. Thébault
Affiliation:
LESIA, Observatoire de Paris, 92195 MeudonFrance
Y. Wu
Affiliation:
Dpt. of Astronomy and Astrophysics, University of Toronto, ON M5S 3H4, Canada
J. P. Marshall
Affiliation:
Dpt. Fìsica Teòrica, Facultad de Ciencias, Universidad Autònoma de Madrid, Cantoblanco, 28049 Madrid, Spain
C. del Burgo
Affiliation:
Instituto Nacional de Astrofísica, Óptica y Electrónica, Luis Enrique Erro 1, Sta. Ma. Tonantzintla, Puebla, Mexico
S. Ertel
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France
C. Eiroa
Affiliation:
Dpt. Fìsica Teòrica, Facultad de Ciencias, Universidad Autònoma de Madrid, Cantoblanco, 28049 Madrid, Spain
B. Montesinos
Affiliation:
Dpt. de Astrofìsica, Centro de Astrobiologìa (INTA-CSIC), ESAC Campus, P.O.Box 78, E-28691 Villanueva de la Cañada, Madrid, Spain
A. Mora
Affiliation:
Aurora Technology B.V., ESA-ESAC Gaia SOC. P.O. Box 78, E28691 Villanueva de la Cañada, Madrid, Spain
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Abstract

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We present some highlights of two ongoing investigations that deal with the dynamics of planetary systems. Firstly, until recently, observed eccentric patterns in debris disks were found in young systems. However recent observations of Gyr-old eccentric debris disks leads to question the survival timescale of this type of asymmetry. One such disk was recently observed in the far-IR by the Herschel Space Observatory around ζ2 Reticuli. Secondly, as a binary companion orbits a circumprimary disk, it creates regions where planet formation is strongly handicapped. However, some planets were detected in this zone in tight binary systems (γ Cep, HD 196885). We aim to determine whether a binary companion can affect migration such that planets are brought in these regions and focus in particular on the planetesimal-driven migration mechanism.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2013 

References

Eiroa, C., et al. 2010, A&A 518 L131Google Scholar
Eiroa, C., et al. 2013, A&A, 555, A11Google Scholar
Faramaz, V., et al., In prep.Google Scholar
Kirsh, D. R., Duncan, M., Brasser, R., & Levison, H. F. 2009, Icarus 199 197209CrossRefGoogle Scholar
Levison, H. F. & Duncan, M. J. 1994, Icarus, vol. 108, no. 1, p. 1836CrossRefGoogle Scholar
Thébault, P. 2011, Celestial Mechanics and Dynamical Astronomy, vol. 111, p. 2949CrossRefGoogle Scholar
Wyatt, M. C. 1999, ApJ, 527: 918944CrossRefGoogle Scholar
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