Transiting exoplanets from the CoRoT space mission XIV. CoRoT-11b: a transiting massive "hot-Jupiter" in a prograde orbit around a rapidly rotating F-type star
- Gandolfi, D.
- Hébrard, G.
- Alonso, R.
- Deleuil, M.
- Guenther, E. W.
- Fridlund, M.
- Endl, M.
- Eigmüller, P.
- Csizmadia, Szilard
- Havel, M.
- Aigrain, S.
- Auvergne, M.
- Baglin, A.
- Barge, P.
- Bonomo, A. S.
- Bordé, P.
- Bouchy, F.
- Bruntt, H.
- Cabrera, J.
- Carpano, S.
- Carone, L.
- Cochran, W. D.
- Deeg, H. J.
- Dvorak, R.
- Eislöffel, J.
- Erikson, A.
- Ferraz-Mello, S.
- Gazzano, J *-C
- Gibson, N. P.
- Gillon, Michaël
- Gondoin, P.
- Guillot, T.
- Hartmann, M.
- Hatzes, A.
- Jorda, L.
- Kabath, P.
- Léger, A.
- Llebaria, A.
- Lammer, H.
- MacQueen, P. J.
- Mayor, M.
- Mazeh, T.
- Moutou, C.
- Ollivier, M.
- Pätzold, M.
- Pepe, F.
- Queloz, D.
- Rauer, H.
- Rouan, D.
- Samuel, B.
- Schneider, J.
- Stecklum, B.
- Tingley, B.
- Udry, S.
- Wuchterl, G.
DOIAbstract
The CoRoT exoplanet science team announces the discovery of CoRoT-11b, a fairly massive hot-Jupiter transiting a V=12.9 mag F6 dwarf star (M*=1.27 +/- 0.05 Msun, R*=1.37 +/- 0.03 Rsun, Teff=6440 +/- 120 K), with an orbital period of P=2.994329 +/- 0.000011 days and semi-major axis a=0.0436 +/- 0.005 AU. The detection of part of the radial velocity anomaly caused by the Rossiter-McLaughlin effect shows that the transit-like events detected by CoRoT are caused by a planet-sized transiting object in a prograde orbit. The relatively high projected rotational velocity of the star (vsini=40+/-5 km/s) places CoRoT-11 among the most rapidly rotating planet host stars discovered so far. With a planetary mass of mp=2.33+/-0.34 Mjup and radius rp=1.43...
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