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- Publications
- Influence
Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1
One aim of modern astronomy is to detect temperate, Earth-like exoplanets that are well suited for atmospheric characterization. Recently, three Earth-sized planets were detected that transit (that… Expand
A seven-planet resonant chain in TRAPPIST-1
- R. Luger, M. Sestovic, +30 authors D. Queloz
- Physics
- 12 March 2017
The TRAPPIST-1 system is the first transiting planet system found orbiting an ultra-cool dwarf star. At least seven planets similar to Earth in radius and in mass were previously found to transit… Expand
A map of the large day–night temperature gradient of a super-Earth exoplanet
Over the past decade, observations of giant exoplanets (Jupiter-size) have provided key insights into their atmospheres, but the properties of lower-mass exoplanets (sub-Neptune) remain largely… Expand
The habitability of Proxima Centauri b. I. Irradiation, rotation and volatile inventory from formation to the present
- I. Ribas, É. Bolmont, +9 authors G. Anglada-Escudé
- Physics
- 24 August 2016
Proxima b is a planet with a minimum mass of 1.3 MEarth orbiting within the habitable zone (HZ) of Proxima Centauri, a very low-mass, active star and the Sun's closest neighbor. Here we investigate a… Expand
An Earth-Sized Planet in the Habitable Zone of a Cool Star
- E. Quintana, T. Barclay, +20 authors F. Selsis
- Geology, Medicine
- Science
- 18 April 2014
Starry Brightness The high photometric precision of NASA's Kepler observatory has enabled the detection of many planets because they cause slight dimming of their host stars as they orbit in front of… Expand
Water loss from terrestrial planets orbiting ultracool dwarfs: implications for the planets of TRAPPIST-1
- É. Bolmont, F. Selsis, +4 authors M. Gillon
- Physics
- 2 May 2016
Ultracool dwarfs (UCD) encompass the population of extremely low mass stars (later than M6-type) and brown dwarfs. Because UCDs cool monotonically, their habitable zone (HZ) sweeps inward in time.… Expand
Early 2017 observations of TRAPPIST-1 with Spitzer
- L. Delrez, M. Gillon, +14 authors V. V. Grootel
- Physics
- 8 January 2018
The recently detected TRAPPIST-1 planetary system, with its seven planets transiting a nearby ultracool dwarf star, offers the first opportunity to perform comparative exoplanetology of temperate… Expand
The habitability of Proxima Centauri b II. Possible climates and Observability
- M. Turbet, J. Leconte, +5 authors G. Anglada-Escudé
- Physics
- 24 August 2016
Radial velocity monitoring has found the signature of a $M \sin i = 1.3$~M$_\oplus$ planet located within the Habitable Zone (HZ) of Proxima Centauri \citep{Anglada16}. Despite a hotter past and an… Expand
Habitability of planets on eccentric orbits: Limits of the mean flux approximation
- É. Bolmont, A. Libert, J. Leconte, F. Selsis
- Physics
- 13 July 2015
Unlike the Earth, which has a small orbital eccentricity, some exoplanets discovered in the insolation habitable zone (HZ) have high orbital eccentricities (e.g., up to an eccentricity of ~0.97 for… Expand
Mercury-T: A new code to study tidally evolving multi-planet systems. Applications to Kepler-62
- É. Bolmont, S. Raymond, J. Leconte, F. Hersant, A. Correia
- Physics
- 16 July 2015
A large proportion of observed planetary systems contain several planets in a compact orbital configuration, and often harbor at least one close-in object. These systems are then most likely tidally… Expand