[en] We present the discovery and validation of TOI-7166 b, a planet orbiting a nearby low-mass star. We validated the planet by combining Transiting Exoplanet Survey Satellite and multicolour high-precision photometric observations from ground-based telescopes, together with spectroscopic data, high-contrast imaging, archival images, and statistical arguments. The host star is an M4-type dwarf at a distance of 35 pc from the Sun. It has a mass and a radius of and , respectively. TOI-7166 b has an orbital period of 12.9 d, which places it close to the inner edge of the Habitable Zone of its host star, receiving an insolation flux of and an equilibrium temperature of K (assuming a null Bond albedo). The brightness of the host star makes TOI-7166 a suitable target for radial velocity follow-up to measure the planetary mass and bulk density. Moreover, the physical parameters of the system including the infrared brightness () of the star and the planet-to-star radius ratio () make TOI-7166 b an exquisite target for transmission spectroscopic observations with the James Webb Space Telescope, to constrain the exoplanet atmospheric compositions.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Barkaoui, Khalid ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > Exoplanets in Transit: Identification and Characterization
Pozuelos, Francisco J.; Institute of Astrophysics of Andalusia
Rackham, Benjamin V.; MIT, Department of Earth and Planetary Science, MIT, Center for Space Research/Kavli Institute
Burgasser, Adam J.; Department of Astronomy &, Astrophysics, UC San Diego, La Jolla, CA 92039, USA,
Triaud, Amaury H. M. J.; University of Birmingham, School of Physics and Astronomy
Serra-Ricart, Miquel; Astrophysical Institute of the Canaries, -, -
Timmermans, Mathilde; University of Liege, Belgium, University of Birmingham, School of Physics and Astronomy
Yalçınkaya, Selçuk; Department of Astronomy &, Space Sciences, Faculty of Science, Ankara University, TR-06100 Ankara, Türkiye, Astronomy and Space Sciences Research and Application Center (Kreiken Observatory), Ankara University, Incek Blvd., TR-06837 Ahlatlıbel, Ankara, Türkiye, Department of Astronomy and Space Sciences, Graduate School of Natural and Applied Sciences, Ankara University, TR-06110, Ankara, Türkiye,
Stassun, Keivan G.; Vanderbilt University, Department of Physics and Astronomy
Collins, Karen A.; Harvard Smithsonian Center for Astrophysics
Amado, Pedro J.; Institute of Astrophysics of Andalusia
Baștürk, Özgur; Department of Astronomy &, Space Sciences, Faculty of Science, Ankara University, TR-06100 Ankara, Türkiye, Astronomy and Space Sciences Research and Application Center (Kreiken Observatory), Ankara University, Incek Blvd., TR-06837 Ahlatlıbel, Ankara, Türkiye
Burdanov, Artem; MIT, Department of Earth and Planetary Science
Davis, Yasmin T.; University of Birmingham, School of Physics and Astronomy
de Wit, Julien; MIT, Department of Earth and Planetary Science
Demory, Brice-Olivier; University of Bern, Switzerland
Deveny, Sarah; NASA Ames Research Center, Bay Area Environmental Research Institute, California
Dransfield, Georgina; University of Birmingham, School of Physics and Astronomy, University of Oxford, Department of Astrophysics, University of Oxford Magdalen College
Ducrot, Elsa; CEA Saclay, Service d'Astrophysique
Gillon, Michaël ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO)
Chew, Yilen Gómez Maqueo; UNAM, Institute of Astronomy
Hooton, Matthew J.; University of Cambridge, Department of Physics
Muñoz, Clàudia Janó; University of Cambridge, Department of Physics
Jehin, Emmanuel ; Université de Liège - ULiège > Unités de recherche interfacultaires > Space sciences, Technologies and Astrophysics Research (STAR)
Jenkins, John M.; NASA Ames Research Center
Littlefield, Colin; NASA Ames Research Center, Bay Area Environmental Research Institute, California
Martín, Eduardo L.; Astrophysical Institute of the Canaries
Niraula, Prajwal; MIT, Department of Earth and Planetary Science
Pedersen, Peter P.; University of Cambridge, Department of Physics, -
Queloz, Dedier; University of Cambridge, Department of Physics, -
Scott, Madison G.; University of Birmingham, School of Physics and Astronomy
Sefako, Ramotholo; South African Astronomical Observatory
Shporer, Avi; MIT, Center for Space Research/Kavli Institute
Stockdale, Christopher; Hazelwood Observatory, Australia
Softich, Emma; Department of Astronomy &, Astrophysics, UC San Diego, La Jolla, CA 92039, USA
Sota, Alfredo; Institute of Astrophysics of Andalusia
Tofflemire, Benjamin; SETI Institute, Mountain View, USA/NASA Ames Research Center, Moffett Field, CA 94035, USA
Şimșir, Özlem; Department of Astronomy and Space Sciences, Graduate School of Natural and Applied Sciences, Ankara University, TR-06110, Ankara, Türkiye
Varas, Roberto; Institute of Astrophysics of Andalusia
Lang, Francis Zong; University of Bern, Switzerland
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