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The \sim50-Myr-Old TOI-942c is Likely on an Aligned, Coplanar Orbit and Losing Mass

By Huan-Yu Teng and others
We report the observation of the transiting planet TOI-942c, a Neptunian planet orbiting a young K-type star approximately 50 Myr years old. Using Keck/HIRES, we observed a partial transit of the planet and detected an associated radial velocity anomaly. By modeling the Rossiter-McLaughlin (RM) effect, we derived a sky-projected obliquity... Show more
August 14, 2024
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The $\sim$50-Myr-Old TOI-942c is Likely on an Aligned, Coplanar Orbit and Losing Mass
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