An Aligned Sub-Neptune Revealed with MAROON-X and a Tendency Toward Alignment for Small Planets

An Aligned Sub-Neptune Revealed with MAROON-X and a Tendency Toward Alignment for Small Planets

We present the Rossiter–McLaughlin measurement of the sub-Neptune TOI-1759A b with MAROON-X. A joint analysis with MuSCAT3 photometry and nine additional TESS transits produces a sky-projected obliquity of ∣ λ ∣ = 4° ± 18°. We also derive a true obliquity of ψ = 24° ± 12° making this planet consiste...

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Bibliographic Details
Main Authors: Alex S. Polanski, Ian J. M. Crossfield, Andreas Seifahrt, Jacob L. Bean, Jonathan Brande, Karen A. Collins, David R. Coria, Akihiko Fukui, Norio Narita, Julian Stürmer, Steven Giacalone, David Kasper
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astronomical Journal
Subjects:
Radial velocity
Transit photometry
M dwarf stars
Exoplanet astronomy
Exoplanet systems
Mini Neptunes
Online Access:https://doi.org/10.3847/1538-3881/adf070
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https://doi.org/10.3847/1538-3881/adf070

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