Author

Alexandra Rochon

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Preprint Sep 2026

New and Updated Rossiter-McLaughlin Measurements for Three Hot Jupiter-Hosting M Dwarfs

Evidence suggests that Kozai-Lidov high-eccentricity migration (HEM) is the dominant migration channel for short-period Giant Exoplanets around M dwarf Stars (GEMS). However, it is unlikely that all short-period GEMS form via HEM, given that most systems lack known massive companions capable of driving HEM. Characteriz...

D. Weisserman, Ryan Cloutier, Alexandra Rochon et al. · 0 citations

Preprint Sep 2026

Astrometric Evidence for Outer Giant Planets in Known Exoplanet Systems

Outer giant planets can influence the formation and dynamical evolution of their planetary systems. However, their long orbital periods make them difficult to detect using transit and radial velocity (RV) techniques. Measurements from Hipparcos, Gaia DR2 and DR3 (G23H) can detect the stellar reflex motion induced by di...

Ó. ClarissaR.Do, William Thompson, Dori Blakely et al. · 0 citations