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The Eccentricity Distribution of Short-Period Planet Candidates Detected by Kepler in Occultation
Megan Shabram, Brice-Olivier Demory, Jessi Cisewski +2
We characterize the eccentricity distribution of a sample of ~50 short-period planet candidates using transit and occultation measurements from NASA's Kepler Mission. First, we eva…
A low stellar obliquity for WASP-47, a compact multiplanet system with a hot Jupiter and an ultra-short period planet
Roberto Sanchis-Ojeda, Joshua N. Winn, Fei Dai +9
We have detected the Rossiter-Mclaughlin effect during a transit of WASP-47b, the only known hot Jupiter with close planetary companions. By combining our spectroscopic observation…
Tidally-driven Roche-Lobe Overflow of Hot Jupiters with MESA
Francesca Valsecchi, Saul Rappaport, Frederic A. Rasio +2
Many exoplanets have now been detected in orbits with ultra-short periods, very close to the Roche limit. Building upon our previous work, we study the possibility that mass loss t…
Probabilistic Mass-Radius Relationship for Sub-Neptune-Sized Planets
Angie Wolfgang, Leslie A. Rogers, Eric B. Ford
The Kepler Mission has discovered thousands of planets with radii , paving the way for the first statistical studies of the dynamics, formation, and evolution of thes…