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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 (thatExpand
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Temperate Earth-sized planets transiting a nearby ultracool dwarf star
Star-like objects with effective temperatures of less than 2,700 kelvin are referred to as ‘ultracool dwarfs’. This heterogeneous group includes stars of extremely low mass as well as brown dwarfsExpand
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WASP-19b: The Shortest Period Transiting Exoplanet Yet Discovered
We report on the discovery of a new extremely short period transiting extrasolar planet, WASP-19b. The planet has mass M pl = 1.15 ± 0.08 MJ , radius R pl = 1.31 ± 0.06 RJ , and orbital period P =Expand
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Accurate Spitzer infrared radius measurement for the hot Neptune GJ 436b
We present Spitzer Space Telescope infrared photometry of a primary transit of the hot Neptune GJ 436b. The observations were obtained using the 8 µm band of the InfraRed Array Camera (IRAC). TheExpand
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Detection of a transit of the super-Earth 55 Cancri e with warm Spitzer
We report on the detection of a transit of the super-Earth 55 Cnc e with warm Spitzer in IRAC’s 4.5 μm band. Our MCMC analysis includes an extensive modeling of the systematic effects affecting warmExpand
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Transiting exoplanets from the CoRoT space mission. II. CoRoT-Exo-2b: a transiting planet around an
Context. The CoRoT mission, a pioneer in exoplanet searches from space, has completed its first 150 days of continuous observations of ∼12 000 stars in the galactic plane. An analysis of the raw dataExpand
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WASP-1b and WASP-2b: Two new transiting exoplanets detected with SuperWASP and SOPHIE
We have detected low-amplitude radial-velocity variations in two stars, USNO-B1.0 1219‐ 0005465 (GSC 02265‐00107 = WASP‐1) and WASP-2.0 0964‐0543604, which are likely host stars of transiting exoplanets. Expand
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Improved precision on the radius of the nearby super-Earth 55 Cnc e
We report on new transit photometry for the super-Earth 55 Cnc e obtained with Warm Spitzer/IRAC at 4.5µm. An individual analysis of these new data leads to a planet radius of 2.21 +0.15 −0.16 R⊕, inExpand
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Improved parameters for the transiting hot Jupiters WASP-4b and WASP-5b
The gaseous giant planets WASP-4b and WASP-5b are transiting 12-magnitude solar-type stars in the Southern hemisphere. The aim of the present work is to refine the parameters of these systems usingExpand
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CHEOPS: A transit photometry mission for ESA's small mission programme
Ground based radial velocity (RV) searches continue to discover exoplanets below Neptune mass down to Earth mass. Furthermore, ground based transit searches now reach milli-mag photometric precisionExpand
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