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A super-Earth orbiting the nearby M-dwarf GJ 536
A. Suárez Mascareño, J. I. González Hernández, R. Rebolo +13
We report the discovery of a super-Earth orbiting the star GJ 536 based on the analysis of the radial-velocity time series from the HARPS and HARPS-N spectrographs. GJ 536 b is a p…
Kepler-21b: A rocky planet around a V = 8.25 magnitude star
Mercedes Lopez-Morales, Raphaelle D. Haywood, Jeffrey L. Coughlin +36
HD 179070, aka Kepler-21, is a V = 8.25 F6IV star and the brightest exoplanet host discovered by Kepler. An early detailed analysis by Howell et al. (2012) of the first thirteen mo…
The Orbit and Mass of the Third Planet in the Kepler-56 System
Oderah Justin Otor, Benjamin T. Montet, John Asher Johnson +20
While the vast majority of multiple-planet systems have their orbital angular momentum axes aligned with the spin axis of their host star, Kepler-56 is an exception: its two transi…
No hydrogen exosphere detected around the super-Earth HD97658 b
Vincent Bourrier, David Ehrenreich, George King +5
The exoplanet HD97658b provides a rare opportunity to probe the atmospheric composition and evolution of moderately irradiated super-Earths. It transits a bright K star at a modera…
Atmospheric characterization of Proxima b by coupling the Sphere high-contrast imager to the Espresso spectrograph
C. Lovis, I. Snellen, D. Mouillet +17
Context. The temperate Earth-mass planet Proxima b is the closest exoplanet to Earth and represents what may be our best ever opportunity to search for life outside the Solar Syste…
A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system
Lars A. Buchhave, Courtney D. Dressing, Xavier Dumusque +35
Kepler-20 is a solar-type star (V = 12.5) hosting a compact system of five transiting planets, all packed within the orbital distance of Mercury in our own Solar System. A transiti…