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A Survey of M Stars in the Field of View of Kepler Space Telescope
Mahmoudreza Oshagh, Nader Haghighipour, Nuno C. Santos
M dwarfs constitute more than 70% of the stars in the solar neighborhood. They are cooler and smaller than Sun-like stars and have less-massive disks which suggests that planets ar…
Observation of the full 12-hour-long transit of the exoplanet HD80606b. Warm-Spitzer photometry and SOPHIE spectroscopy
G. Hebrard, J. -M. Desert, R. F. Diaz +24
We present new observations of a transit of the 111-day-period exoplanet HD80606b. Using the Spitzer Space Telescope and its IRAC camera on the post-cryogenic mission, we performed…
The SOPHIE search for northern extrasolar planets. II. A multi-planet system around HD9446
G. Hebrard, X. Bonfils, D. Segransan +19
We report the discovery of a planetary system around HD9446, performed from radial velocity measurements secured with the spectrograph SOPHIE at the 193-cm telescope of the Haute-P…