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9 papers · 2 filters
Peculiar architectures for the WASP-53 and WASP-81 planet-hosting systems
Amaury H. M. J. Triaud, Marion Neveu-VanMalle, Monika Lendl +16
We report the detection of two new systems containing transiting planets. Both were identified by WASP as worthy transiting planet candidates. Radial-velocity observations quickly…
A Machine Learns to Predict the Stability of Tightly Packed Planetary Systems
Daniel Tamayo, Ari Silburt, Diana Valencia +9
The requirement that planetary systems be dynamically stable is often used to vet new discoveries or set limits on unconstrained masses or orbital elements. This is typically carri…
Disentangling Hot Jupiters formation location from their chemical composition
Mohamad Ali-Dib
We use a population synthesis model that includes pebbles and gas accretion, planetary migration, and a simplified chemistry scheme to study the formation of hot-Jupiters. Models h…
Tatooine's Future: The Eccentric Response of Kepler's Circumbinary Planets to Common-Envelope Evolution of their Host Stars
Veselin B. Kostov, Keavin Moore, Daniel Tamayo +2
Inspired by the recent Kepler discoveries of circumbinary planets orbiting nine close binary stars, we explore the fate of the former as the latter evolve off the main sequence. We…
A pebbles accretion model with chemistry and implications for the solar system
Mohamad Ali-Dib
We investigate the chemical composition of the solar system's giant planets atmospheres using a physical formation model with chemistry. The model incorporate disk evolution, pebbl…
Rossiter--McLaughlin models and their effect on estimates of stellar rotation, illustrated using six WASP systems
D. J. A. Brown, A. H. M. J. Triaud, A. P. Doyle +12
We present new measurements of the projected spin--orbit angle for six WASP hot Jupiters, four of which are new to the literature (WASP-61, -62, -76, and -78), and two of which…