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Spin-Orbit Angles as a Probe to Orbital Evolution

Published online by Cambridge University Press:  06 January 2014

A. H. M. J. Triaud ,
A. Collier Cameron ,
D. Queloz ,
D. R. Anderson ,
D. J. A. Brown ,
B. Smalley ,
F. Bouchy ,
M. Lendl  and
M. Gillon
A. H. M. J. Triaud
Affiliation:
Department of Physics, Kavli Institute of Astrophysics & Space Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
A. Collier Cameron
Affiliation:
SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, Fife KY16 9SS, UK
D. Queloz
Affiliation:
Observatoire Astronomique de l'Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland
D. R. Anderson
Affiliation:
Astrophysics Group, School of Physical and Geographical Sciences, Lennard-Jones Building, Keele University, Staffordshire ST5 5BG, UK
D. J. A. Brown
Affiliation:
SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, Fife KY16 9SS, UK
B. Smalley
Affiliation:
SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, Fife KY16 9SS, UK
F. Bouchy
Affiliation:
Observatoire Astronomique de l'Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland
M. Lendl
Affiliation:
Observatoire Astronomique de l'Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland
M. Gillon
Affiliation:
Institut d'Astrophysique et de Geéophysique, Université de Liège, Allée du 6 Août, 17 (Bât. B5C) Sart Tilman, B-4000 Liége, Belgium
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Abstract

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We observed with HARPS, the Rossiter-McLaughlin effect for 40 of the 75 transiting hot Jupiters discovered in the Southern Hemisphere by WASP. Our observations reveal a wide distribution in orbital inclinations indicative of past dynamical interactions. Our data also demonstrate the important effect produced by tidal interactions in shaping the spin–orbit (β) angle distribution. We briefly present and interpret the data we collected in a series of graphs.

Keywords

binaries: eclipsingplanetary systemstechniques: radial velocities
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S299: Exploring the Formation and Evolution of Planetary Systems , June 2013 , pp. 399 - 400
Copyright
Copyright © International Astronomical Union 2013 

References

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