Stellar Obliquity of the Ultra-short-period Planet System HD 93963

We report an observation of the Rossiter–McLaughlin (RM) effect of the transiting planet HD 93963 Ac, a mini-Neptune planet orbiting a G0-type star with an orbital period of P _c = 3.65 days, accompanied by an inner super-Earth planet with P _b = 1.04 days. We observed a full transit of planet c o...

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Bibliographic Details
Main Authors:	Huan-Yu Teng, Fei Dai, Andrew W. Howard, Samuel Halverson, Howard Isaacson, Eiichiro Kokubo, Ryan A. Rubenzahl, Benjamin Fulton, Aaron Householder, Jack Lubin, Steven Giacalone, Luke Handley, Judah Van Zandt, Erik A. Petigura, J. M. Joel Ong, Pranav Premnath, Haochuan Yu, Steven R. Gibson, Kodi Rider, Arpita Roy, Ashley Baker, Jerry Edelstein, Chris Smith, Josh Walawender, Byeong-Cheol Lee, Yu-Juan Liu, Joshua N. Winn
Format:	Article
Language:	English
Published:	IOP Publishing 2025-01-01
Series:	The Astronomical Journal
Subjects:	Exoplanets Mini Neptunes Super Earths Exoplanet dynamics
Online Access:	https://doi.org/10.3847/1538-3881/addab9
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Stellar Obliquity of the Ultra-short-period Planet System HD 93963

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