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TOI-216b and TOI-216 c: Two Warm, Large Exoplanets in or Slightly Wide of the 2:1 Orbital Resonance

Dawson, Rebekah I.; Huang, Chelsea X.; Lissauer, Jack J.; Collins, Karen A.; Sha, Lizhou; Armstrong, James D.; Conti, Dennis M.; Collins, Kevin I.; Evans, Philipp; Gan, Tianjun; Ireland, Michael; Zerjal, Maruska

Description

Warm, large exoplanets with 10-100 day orbital periods pose a major challenge to our understanding of how planetary systems form and evolve. Although high eccentricity tidal migration has been invoked to explain their proximity to their host stars, a handful reside in or near orbital resonance with nearby planets, suggesting a gentler history of in situ formation or disk migration. Here we confirm and characterize a pair of warm, large exoplanets discovered by the TESS Mission orbiting K-dwarf...[Show more]

CollectionsANU Research Publications
Date published: 2019-07-17
Type: Journal article
URI: http://hdl.handle.net/1885/232555
Source: Astronomical Journal
DOI: 10.3847/1538-3881/ab24ba
Access Rights: Open Access

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