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Spin-orbit measurements and refined parameters for the exoplanet systems WASP-22 and WASP-26
D. R. Anderson, A. Collier Cameron, M. Gillon +7
We report on spectroscopic and photometric observations through transits of the exoplanets WASP-22b and WASP-26b, intended to determine the systems' spin-orbit angles. We combine t…
WASP-44b, WASP-45b and WASP-46b: three short-period, transiting extrasolar planets
D. R. Anderson, A. Collier Cameron, M. Gillon +14
We report the discovery of three extrasolar planets that transit their moderately bright (Vmag = 12-13) host stars. WASP-44b is a 0.89-MJup planet in a 2.42-day orbit around a G8V…
WASP-23b: a transiting hot Jupiter around a K dwarf and its Rossiter-McLaughlin effect
Amaury H. M. J. Triaud, Didier Queloz, Coel Hellier +17
We report the discovery of a new transiting planet in the Southern Hemisphere. It has been found by the WASP-south transit survey and confirmed photometrically and spectroscopicall…
TRAPPIST: a robotic telescope dedicated to the study of planetary systems
M. Gillon, E. Jehin, P. Magain +5
We present here a new robotic telescope called TRAPPIST (TRAnsiting Planets and PlanetesImals Small Telescope). Equipped with a high-quality CCD camera mounted on a 0.6 meter light…