Searching for Transit Timing Variations in Young Transiting Systems

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Abstract
The discovery of young (4 σ ), although differences in methodology make a totally fair comparison challenging. We show that spots have a weak-to-negligible impact on our results, and similarly cannot explain the higher TTV fraction. Longer-term monitoring will be required to validate these TTVs as planetary in nature and confirm the high TTV rate. While the candidate TTV signals detected here are sparsely sampled, our work provides a clear priority list for additional ground-based observations, and for multiplanet TTVs, to measure the masses and eccentricities of these planets.
Funding Information
  • NSF ∣ National Science Foundation Graduate Research Fellowship Program (DGE-2040435)
  • National Aeronautics and Space Administration (80NSSC24K1142)
  • National Aeronautics and Space Administration (XRP 80NSSC25K7148)
  • National Science Foundation (AST-2143763)
  • North Carolina Space Grant (80NSSC25M7117)

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