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Masses, Radii, and Orbits of Small Kepler Planets: The Transition From Gaseous to Rocky Planets
- G. Marcy, H. Isaacson, D. Barrado
- Physics, Geology
- 16 January 2014
We report on the masses, sizes, and orbits of the planets orbiting 22 Kepler stars. There are 49 planet candidates around these stars, including 42 detected through transits and 7 revealed by precise…
The PLATO 2.0 mission
PLATO 2.0 has recently been selected for ESA’s M3 launch opportunity (2022/24). Providing accurate key planet parameters (radius, mass, density and age) in statistical numbers, it addresses…
SOPHIE velocimetry of Kepler transit candidates XVII. The physical properties of giant exoplanets within 400 days of period
- A. Santerne, C. Moutou, N. Santos
- Physics, Geology
- 2 November 2015
While giant extrasolar planets have been studied for more than two decades now, there are still some open questions such as their dominant formation and migration process, as well as their…
Planets and stellar activity: hide and seek in the CoRoT-7 system
- R. Haywood, A. Cameron, Y. Unruh
- Physics, Geology
- 3 July 2014
Since the discovery of the transiting super-Earth CoRoT-7b, several investigations have yielded different results for the number and masses of planets present in the system, mainly owing to the…
WASP-121 b: a hot Jupiter close to tidal disruption transiting an active F star
- L. Delrez, A. Santerne, R. West
- Geology, Physics
- 1 June 2016
We present the discovery by the WASP-South survey, in close collaboration with the Euler and TRAPPIST telescopes, of WASP-121 b, a new remarkable shortperiod transiting hot Jupiter, whose planetary…
WASP-52b, WASP-58b, WASP-59b, and WASP-60b: four new transiting close-in giant planets
- G. Hébrard, A. Cameron, P. Wheatley
- Geology, Physics
- 5 November 2012
We present the discovery of four new transiting hot Jupiters, detected mainly from SuperWASP-North and SOPHIE observations. These new planets, WASP-52b, WASP-58b, WASP-59b, and WASP-60b, have orbital…
SOPHIE velocimetry of Kepler transit candidates VII. A false-positive rate of 35% for Kepler close-in giant candidates
- A. Santerne, R. D'iaz, N. Santos
- Physics, Geology
- 4 June 2012
The false-positive probability (FPP) of Kepler transiting candidates is a key value for statistical studies of candidate properties. A previous investigation of the stellar population in the Kepler…
Observation of the full 12-hour-long transit of the exoplanet HD80606b. Warm-Spitzer photometry and SOPHIE spectroscopy
- G. Hébrard, J. Desert, A. Vidal-Madjar
- Physics, Geology
- 6 April 2010
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 a 19-hour-long…
WASP-121 b: a hot Jupiter in a polar orbit and close to tidal disruption
- L. Delrez, A. Santerne, R. West
- Physics, Geology
- 8 June 2015
We present the discovery by the WASP-South survey, in close collaboration with the Euler and TRAPPIST telescopes, of WASP-121 b, a new remarkable shortperiod transiting hot Jupiter, whose planetary…
An Earth-sized exoplanet with a Mercury-like composition
- A. Santerne, B. Brugger, A. Vigan
- Geology, Physics
- 1 May 2018
Earth, Venus, Mars and some extrasolar terrestrial planets1 have a mass and radius that is consistent with a mass fraction of about 30% metallic core and 70% silicate mantle2. At the inner frontier…
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