2 papers
astro-ph.EP2026
On the Orbital Evolution of Giant Planet Pair Embedded in a Gaseous Disk. III. simultaneous gas accretion and the final mass ratio
Bixuan Zhao, Hui Zhang, Yinhao Wu +1
Recent exoplanet surveys reveal a systematic trend in the mass ratios of giant planet pairs (). Although the is broadly centered near unity, it…
astro-ph.EP2024
HD 21520 b: a warm sub-Neptune transiting a bright G dwarf
Molly Nies, Ismael Mireles, François Bouchy +49
We report the discovery and validation of HD 21520 b, a transiting planet found with TESS and orbiting a bright G dwarf (V=9.2, K, $R_{\star} = 1.04\pm 0.02…