![]() ![]() We modeled the TTVs with inner and outer perturbers near first and second order resonances several orbital configurations provide an acceptable fit. Their most probable origin is dynamical interactions with additional planets in the system. Their amplitude is about 40 min and their dominant timescale is longer than 3.7 yr. We gathered additional transit observations of TOI-1227 b with space- and ground-based telescopes, and we detected highly significant transit-timing variations (TTVs). The magnetic activity of its young host star induces radial velocity jitter and prevents good measurements of the planetary mass. It orbits a low-mass pre-main sequence star (0.170 M ⊙, 0.56 R ⊙) every 27.4 days. TOI-1227 b is an 11 Myr old validated transiting planet in the middle of its contraction phase, with a current radius of 0.85 R j. Astrofísica, Universidad de La Laguna (ULL),ĭepartment of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology,ĭepartment of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology,ĭepartment of Aeronautics and Astronautics, MIT,ĭepartment of Astrophysical Sciences, Princeton University, Instituto de Astrofísica de Canarias (IAC),ĭept. School of Physics & Astronomy, Monash University, Space Sciences, Technologies and Astrophysics Research (STAR) Institute, Université de Liège,ĭepartment of Physics and Astronomy, The University of North Carolina at Chapel Hill, School of Physics & Astronomy, University of Birmingham,ĪIM, CEA, CNRS, Université Paris-Saclay, Université de Paris, International Center for Advanced Studies (ICAS) and ICIFI (CONICET), ECyT-UNSAM, Observatoire de Genève, Département d’Astronomie, Université de Genève,Į-mail: Côte d’Azur, Laboratoire Lagrange, OCA, CNRS UMRĪstrobiology Research Unit, Université de Liège, Astronomical objects: linking to databases.Including author names using non-Roman alphabets.Suggested resources for more tips on language editing in the sciences Punctuation and style concerns regarding equations, figures, tables, and footnotes ![]()
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