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SPECULOOS -- Ultracool Dwarf Transit Survey: Target List and Strategy
D. Sebastian, M. Gillon, E. Ducrot +20
One of the most promising avenues for the detailed study of temperate Earth-sized exoplanets is the detection of such planets in transit in front of stars small and nearby enough t…
Refining the transit timing and photometric analysis of TRAPPIST-1: Masses, radii, densities, dynamics, and ephemerides
Eric Agol, Caroline Dorn, Simon L. Grimm +32
We have collected transit times for the TRAPPIST-1 system with the Spitzer Space Telescope over four years. We add to these ground-based, HST and K2 transit time measurements, and…
A super-Earth and a sub-Neptune orbiting the bright, quiet M3 dwarf TOI-1266
B. -O. Demory, F. J. Pozuelos, Y. Gomez Maqueo Chew +70
We report the discovery and characterisation of a super-Earth and a sub-Neptune transiting the bright (), quiet, and nearby (37 pc) M3V dwarf TOI-1266. We validate the plane…
Discovery of a young low-mass brown dwarf transiting a fast-rotating F-type star by the Galactic Plane eXoplanet (GPX) survey
P. Benni, A. Y. Burdanov, V. V. Krushinsky +64
We announce the discovery of GPX-1 b, a transiting brown dwarf with a mass of and a radius of , the first sub-stell…
Global Analysis of the TRAPPIST Ultra-Cool Dwarf Transit Survey
F. Lienhard, D. Queloz, M. Gillon +10
We conducted a global analysis of the TRAPPIST Ultra-Cool Dwarf Transit Survey - a prototype of the SPECULOOS transit search conducted with the TRAPPIST-South robotic telescope in…
Earth: a 3.14-day Earth-sized Planet from 's Kitchen Served Warm by the SPECULOOS Team
Prajwal Niraula, Julien de Wit, Benjamin V. Rackham +25
We report on the discovery of a transiting Earth-sized (0.95) planet around an M3.5 dwarf star at 57pc, K2-315b. The planet has a period of 3.14 days, i.e. ${\s…
Two transiting hot Jupiters from the WASP survey: WASP-150b and WASP-176b
Benjamin F. Cooke, Don Pollacco, Y. Almleaky +49
We report the discovery of two transiting exoplanets from the WASP survey, WASP-150b and WASP-176b. WASP-150b is an eccentric ( = 0.38) hot Jupiter on a 5.6 day orbit around a $…
Photometry and Performance of SPECULOOS-South
C. A. Murray, L. Delrez, P. P. Pedersen +16
SPECULOOS-South, an observatory composed of four independent 1m robotic telescopes, located at ESO Paranal, Chile, started scientific operation in January 2019. This Southern Hemis…
Discovery of a pre-cataclysmic binary with unusual chromaticity of the eclipsed white dwarf by the GPX Survey
Vadim Krushinsky, Paul Benni, Artem Burdanov +14
We report the discovery of a relatively bright eclipsing binary system, which consists of a white dwarf and a main sequence K7 star with clear signs of chromospheric and spot activ…
The continuing search for evidence of tidal orbital decay of hot Jupiters
Kishore C. Patra, Joshua N. Winn, Matthew J. Holman +15
Many of the known hot Jupiters are formally unstable to tidal orbital decay. The only hot Jupiter for which orbital decay has been directly detected is WASP-12, for which transit t…
An Eclipsing Substellar Binary in a Young Triple System discovered by SPECULOOS
Amaury H. M. J. Triaud, Adam J. Burgasser, Artem Burdanov +18
Mass, radius, and age are three of the most fundamental parameters for celestial objects, enabling studies of the evolution and internal physics of stars, brown dwarfs, and planets…