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Status: Unchecked ×Keyword: multi-planet systems ×Clear all

2 claims from 1 paper

1. Physics and Astronomy › Stellar, planetary, and galactic studies

   The Distribution of Planet Radius in Kepler Multiplanet Systems Depends on Gap Complexity

   Rice, Steffen and Vazan · The Astrophysical Journal Letters · 2024

   Using 234 Kepler systems with three or more candidate planets, the authors find that planet radius distributions differ between systems with regular and irregular orbital spacing, as measured by gap complexity.

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   1. Unchecked“Specifically, we find that the radius valley, which separates super-Earths and sub-Neptunes, is more pronounced in systems with lower gap complexity ($C$$<$0.165).”
   2. UncheckedIn Kepler systems with irregular orbital spacing, sub-Earths and sub-Neptunes are less common and super-Earths more common than in regularly spaced systems.“Planets in high complexity systems ($C$$>$0.35) exhibit a lower frequency of sub-Earths (2.5 times less) and sub-Neptunes (1.3 times less) and a higher frequency of super-Earths (1.4 times more) than planets in low complexity systems.”