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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主要な著者:	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
フォーマット:	Artigo
言語:	Inglês
出版事項:	IOP Publishing 2025-01-01
シリーズ:	The Astrophysical Journal Letters
主題:	Transit photometry Exoplanets Radial velocity Cold Neptunes
オンライン･アクセス:	https://doi.org/10.3847/2041-8213/ae2bfa
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