The retrograde orbit of the HAT-P-6b exoplanet???

Authors: G. Hébrard, D. Ehrenreich, F. Bouchy, X. Delfosse, C. Moutou, L. Arnold, I. Boisse, X. Bonfils, R. F. Díaz, A. Eggenberger, T. Forveille, A.-M. Lagrange, C. Lovis, F. Pepe, C. Perrier, D. Queloz, A. Santerne, N. C. Santos, D. Ségransan, S. Udry and A. Vidal-Madjar.<br />Astronomy & Astrophysics Vol. 527 , page L11<br />Published online: 09/02/2011<br />
Keywords:
planets and satellites: dynamical evolution and stability ; techniques: radial velocities ; planetary systems ; stars: individual: HAT-P-6.

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