Joint Rossiter-McLaughlin Revolutions analysis of the multi-planetary system GJ 9827

GJ 9827 is a compact system hosting three close-in planets in near-resonant orbits that span the radius gap, a deficit of close-in planets separating super-Earths and mini-Neptunes. We analysed transit observations from the ESPRESSO GTO program acquired on each planet and performed a joint Rossiter-...

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Auteurs principaux:	Fridén E., Zapatero Osorio M. R., Bourrier V., Lovis C., Allart R., Cristiani S., Di Marcantonio P., González Hernández J. I., Martins C. J. A. P., Palle E., Pepe F., Santos N, C., Steiner M.
Format:	Artigo
Langue:	Inglês
Publié:	EDP Sciences 2026-06-01
Collection:	Astronomy & Astrophysics
Sujets:	methods: data analysis techniques: spectroscopic planets and satellites: dynamical evolution and stability
Accès en ligne:	https://www.aanda.org/articles/aa/full_html/2026/06/aa57501-25/aa57501-25.html
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