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WASP-190b: Tomographic discovery of a transiting hot Jupiter
L. Y. Temple, C. Hellier, Y. Almleaky +22
We report the discovery of WASP-190b, an exoplanet on a 5.37-day orbit around a mildly-evolved F6 IV-V star with V = 11.7, T_eff = 6400 100 K, M = 1.35 0.05 M_sun…
WASP-166b: a bloated super-Neptune transiting a V = 9 star
Coel Hellier, D. R. Anderson, A. H. M. J. Triaud +21
We report the discovery of WASP-166b, a super-Neptune planet with a mass of 0.1 Mjup (1.9 Mnep) and a bloated radius of 0.63 Rjup. It transits a V = 9.36, F9V star in a 5.44-d orbi…
A low-density hot Jupiter in a near-aligned, 4.5-day orbit around a = 10.8, F5V star
D. R. Anderson, F. Bouchy, D. J. A. Brown +18
We report the independent discovery and characterisation of a hot Jupiter in a 4.5-d, transiting orbit around the star TYC 7282-1298-1 ( = 10.8, F5V). The planet has been pursue…
WASP-189b: an ultra-hot Jupiter transiting the bright A star HR 5599 in a polar orbit
D. R. Anderson, L. Y. Temple, L. D. Nielsen +18
We report the discovery of WASP-189b: an ultra-hot Jupiter in a 2.72-d transiting orbit around the A star WASP-189 (HR 5599). We detected periodic dimmings in the star's…
Activity induced variation in spin-orbit angles as derived from Rossiter-McLaughlin measurements
M. Oshagh, A. H. M. J. Triaud, A. Burdanov +17
One of the most powerful methods used to estimate sky-projected spin-orbit angles of exoplanetary systems is through a spectroscopic transit observation known as the Rossiter-McLau…
NGTS-4b: A sub-Neptune Transiting in the Desert
Richard G. West, Edward Gillen, Daniel Bayliss +48
We report the discovery of NGTS-4b, a sub-Neptune-sized planet transiting a 13th magnitude K-dwarf in a 1.34d orbit. NGTS-4b has a mass M=M_E and radius R=…
WASP-147b, 160Bb, 164b and 165b: two hot Saturns and two Jupiters, including two planets with metal-rich hosts
M. Lendl, D. R. Anderson, A. Bonfanti +20
We report the discovery of four transiting hot Jupiters, WASP-147, WASP-160B, WASP-164 and WASP-165 from the WASP survey. WASP-147b is a near Saturn-mass () objec…
Discovery of three new transiting hot Jupiters: WASP-161 b, WASP-163 b and WASP-170 b
K. Barkaoui, A. Burdanov, C. Hellier +28
We present the discovery by the WASP-South transit survey of three new transiting hot Jupiters, WASP-161 b, WASP-163 b and WASP-170 b. Follow-up radial velocities obtained with the…
The 0.8-4.5m broadband transmission spectra of TRAPPIST-1 planets
E. Ducrot, M. Sestovic, B. M. Morris +18
The TRAPPIST-1 planetary system represents an exceptional opportunity for the atmospheric characterization of temperate terrestrial exoplanets with the upcoming James Webb Space Te…
SPECULOOS: a network of robotic telescopes to hunt for terrestrial planets around the nearest ultracool dwarfs
Laetitia Delrez, Michael Gillon, Didier Queloz +18
We present here SPECULOOS, a new exoplanet transit search based on a network of 1m-class robotic telescopes targeting the 1200 ultracool (spectral type M7 and later) dwarfs b…
Transit timing analysis of the exoplanet TrES-5 b. Possible existence of the exoplanet TrES-5 c
Eugene N. Sokov, Iraida A. Sokova, Vladimir V. Dyachenko +16
In this work, we present transit timing variations detected for the exoplanet TrES-5b. To obtain the necessary amount of photometric data for this exoplanet, we have organized an i…
Unmasking the hidden NGTS-3Ab: a hot Jupiter in an unresolved binary system
Maximilian N. Günther, Didier Queloz, Edward Gillen +36
We present the discovery of NGTS-3Ab, a hot Jupiter found transiting the primary star of an unresolved binary system. We develop a joint analysis of multi-colour photometry, centro…
KPS-1b: the first transiting exoplanet discovered using an amateur astronomer's wide-field CCD data
Artem Burdanov, Paul Benni, Eugene Sokov +19
We report the discovery of the transiting hot Jupiter KPS-1b. This exoplanet orbits a V=13.0 K1-type main-sequence star every 1.7 days, has a mass of $M_{…
New transiting hot Jupiters discovered by WASP-South, Euler/CORALIE and TRAPPIST-South
Coel Hellier, D. R. Anderson, F. Bouchy +16
We report the discovery of eight hot-Jupiter exoplanets from the WASP-South transit survey. WASP-144b has a mass of 0.44 Mj, a radius of 0.85 Rj, and is in a 2.27-d orbit around a…
The nature of the TRAPPIST-1 exoplanets
Simon L. Grimm, Brice-Olivier Demory, Michaël Gillon +23
Context. The TRAPPIST-1 system hosts seven Earth-sized, temperate exoplanets orbiting an ultra-cool dwarf star. As such, it represents a remarkable setting to study the formation a…
Discovery of WASP-174b: Doppler tomography of a near-grazing transit
L. Y. Temple, C. Hellier, Y. Almleaky +23
We report the discovery and tomographic detection of WASP-174b, a planet with a near-grazing transit on a 4.23-d orbit around a = 11.9, F6V star with [Fe/H] = 0.09 0.09.…
Early 2017 observations of TRAPPIST-1 with
Laetitia Delrez, Michael Gillon, Amaury H. M. J. Triaud +14
The recently detected TRAPPIST-1 planetary system, with its seven planets transiting a nearby ultracool dwarf star, offers the first opportunity to perform comparative exoplanetolo…