HAL (France)
open access
Photodynamical analysis of the TOI-4504 system: Orbital precession brings planet d into transit to reveal its deeply resonant state and similarity to GJ 876
The K-dwarf TOI-4504 hosts two giant planets in 2:1 mean-motion resonance, with orbital periods of 41.3 days (planet d) and 82.8 days (planet c). They exhibit among the largest known absolute transit-timing variations, with respective peak-to-node amplitudes up to 5 and 3 days. Newer TESS da
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