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A Cold and Superpuffy Planet on a Prograde Orbit

We report the discovery of TOI-4507 b, a transiting sub-Saturn with a density <0.2 g cm ^−3 on a 105 days prograde orbit around a 700 Myr old F star. The transits were detected using data from TESS as well as the Antarctic telescope ASTEP. A joint analysis of the light curves and radial velocities f...

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Principais autores: Juan I. Espinoza-Retamal, Rafael Brahm, Cristobal Petrovich, Andrés Jordán, Thomas Henning, Trifon Trifonov, Joshua N. Winn, Erika Rea, Maximilian N. Günther, Abdelkrim Agabi, Philippe Bendjoya, Hareesh Bhaskar, François Bouchy, Márcio Catelan, Carolina Charalambous, Vincent Deloupy, George Dransfield, Jan Eberhardt, Néstor Espinoza, Alix V. Freckelton, Tristan Guillot, Melissa J. Hobson, Matías I. Jones, Monika Lendl, Djamel Mekarnia, Diego J. Muñoz, Louise D. Nielsen, Felipe I. Rojas, François-Xavier Schmider, Elyar Sedaghati, Guđmundur Stefánsson, Stephanie Striegel, Olga Suarez, Marcelo Tala Pinto, Mathilde Timmermans, Amaury H. M. J. Triaud, Stéphane Udry, Solène Ulmer-Moll, Carl Ziegler
Formato: Artigo
Idioma:Inglês
Publicado: IOP Publishing 2025-01-01
Series:The Astrophysical Journal Letters
Assuntos:
Transit photometry
Exoplanets
Radial velocity
Cold Neptunes
Acceso en liña:https://doi.org/10.3847/2041-8213/ae2bfa
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