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TOI-4552 b: A new ultra-short-period rocky world revealed by NIRPS and TESS

Context. A particularly intriguing subclass of rocky exoplanets are ultra-short-period worlds, which orbit their host stars in less than a day. These planets are particularly rare around M dwarf stars, and only ten of them have a constrained mass and radius so far. Aims. We present the validation an...

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Hauptverfasser: Srivastava Avidaan, Doyon René, Bouchy François, Artigau Étienne, Cadieux Charles, Gromek Nicole, Delgado-Mena Elisa, Messias Yuri S., Bonfils Xavier, de Lima Gomes Roseane, Barros Susana C. C., Benneke Björn, Bryan Marta, Cloutier Ryan, Cowan Nicolas B., Cristo Eduardo, Delfosse Xavier, Dumusque Xavier, Ehrenreich David, González Hernández Jonay I., Lafrenière David, de Castro Leão Izan, Lovis Christophe, Suárez Mascareño Alejandro, Canto Martins Bruno L., De Medeiros Jose Renan, Mignon Lucile, Mordasini Christoph, Pepe Francesco, Rebolo Rafael, Rowe Jason, Santos Nuno C., Ségransan Damien, Udry Stéphane, Valencia Diana, Wade Gregg, Almenara Jose Manuel, Collins Karen A., Conti Dennis M., Dransfield George, Ducrot Elsa, Essack Zahra, Fontinele Dasaev O., Forveille Thierry, Jafariyazani Marziye, Lamontagne Pierrot, L’Heureux Alexandrine, Al Moulla Khaled, Osborn Ares, Parc Léna, Rodriguez David R., Schwarz Richard P., Scott Madison G., Shporer Avi, Stefanov Atanas K., Timmermans Mathilde, Triaud Amaury H. M. J., Wardenier Joost P., Weisserman Drew, Zúñiga-Fernández Sebastián
Format: Artigo
Sprache:Inglês
Veröffentlicht: EDP Sciences 2026-05-01
Schriftenreihe:Astronomy & Astrophysics
Schlagworte:
planets and satellites: composition
planets and satellites: detection
planets and satellites: interiors
stars: abundances
stars: low-mass
Online-Zugang:https://www.aanda.org/articles/aa/full_html/2026/05/aa58749-25/aa58749-25.html
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