3 papers
astro-ph.EP2026
No strong associations between eccentricity and orbital architecture in Kepler compact multis
Gregory J. Gilbert, Erik A. Petigura, Paige M. Entrican
The dynamical history of a planetary system is recorded in the present day architecture of its constituent planets' sizes, orbital periods, and eccentricities. Studying the relatio…
astro-ph.EP2025
A Decade of Transit-Timing Measurements Confirm Resonance in the K2-19 System
Paige M. Entrican, Erik A. Petigura, Antoine C. Petit +2
K2-19 is a star, slightly smaller than the Sun, that hosts three transiting planets. Two of these, K2-19 b and c, are between the size of Neptune and Saturn and have orbital period…
astro-ph.EP2025
Planets larger than Neptune have elevated eccentricities
Gregory J. Gilbert, Erik A. Petigura, Paige M. Entrican
NASA's Kepler mission identified over 4000 extrasolar planets that transit (cross in front of) their host stars. This sample has revealed detailed features in the demographics of p…