An M dwarf accompanied by a close-in giant orbiter with SPECULOOS

Full list of authors: Triaud, Amaury H. M. J.; Dransfield, Georgina; Kagetani, Taiki; Timmermans, Mathilde; Narita, Norio; Barkaoui, Khalid; Hirano, Teruyuki; Rackham, Benjamin V.; Mori, Mayuko; Baycroft, Thomas; Benkhaldoun, Zouhair; Burgasser, Adam J.; Caldwell, Douglas A.; Collins, Karen A.; Davi...

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Detalles Bibliográficos
Autores: Triaud, Amaury H. M. J., Pozuelos, Francisco José
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/355009
Acceso en línea:http://hdl.handle.net/10261/355009
Access Level:acceso abierto
Palabra clave:Exoplanets
Infrared: planetary systems
Techniques: photometric
Techniques: radial velocities
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network_name_str España
repository_id_str
dc.title.none.fl_str_mv An M dwarf accompanied by a close-in giant orbiter with SPECULOOS
title An M dwarf accompanied by a close-in giant orbiter with SPECULOOS
spellingShingle An M dwarf accompanied by a close-in giant orbiter with SPECULOOS
Triaud, Amaury H. M. J.
Exoplanets
Infrared: planetary systems
Techniques: photometric
Techniques: radial velocities
title_short An M dwarf accompanied by a close-in giant orbiter with SPECULOOS
title_full An M dwarf accompanied by a close-in giant orbiter with SPECULOOS
title_fullStr An M dwarf accompanied by a close-in giant orbiter with SPECULOOS
title_full_unstemmed An M dwarf accompanied by a close-in giant orbiter with SPECULOOS
title_sort An M dwarf accompanied by a close-in giant orbiter with SPECULOOS
dc.creator.none.fl_str_mv Triaud, Amaury H. M. J.
Pozuelos, Francisco José
author Triaud, Amaury H. M. J.
author_facet Triaud, Amaury H. M. J.
Pozuelos, Francisco José
author_role author
author2 Pozuelos, Francisco José
author2_role author
dc.contributor.none.fl_str_mv NASA
International Balzan Prize Foundation
European Research Council
Fondation Francqui
Centre National de la Recherche Scientifique (France)
Australian Research Council
Simons Foundation
UK Research and Innovation
Science and Technology Facilities Council (UK)
Heising Simons Foundation
Universidad Nacional Autónoma de México
Ministerio de Ciencia e Innovación (España)
Swiss National Science Foundation
Ministry of Education, Culture, Sports, Science and Technology (Japan)
Japan Society for the Promotion of Science
Japan Science and Technology Agency
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Exoplanets
Infrared: planetary systems
Techniques: photometric
Techniques: radial velocities
topic Exoplanets
Infrared: planetary systems
Techniques: photometric
Techniques: radial velocities
description Full list of authors: Triaud, Amaury H. M. J.; Dransfield, Georgina; Kagetani, Taiki; Timmermans, Mathilde; Narita, Norio; Barkaoui, Khalid; Hirano, Teruyuki; Rackham, Benjamin V.; Mori, Mayuko; Baycroft, Thomas; Benkhaldoun, Zouhair; Burgasser, Adam J.; Caldwell, Douglas A.; Collins, Karen A.; Davis, Yasmin T.; Delrez, Laetitia; Demory, Brice-Oliver; Ducrot, Elsa; Fukui, Akihiko; Muñoz, Clàudia Jano; Jehin, Emmanuël; García, Lionel J.; Ghachoui, Mourad; Gillon, Michaël; Chew, Yilen Gómez Maqueo; Hooton, Matthew J.; Ikoma, Masahiro; Kawauchi, Kiyoe; Kotani, Takayuki; Levine, Alan M.; Pallé, Enric; Pedersen, Peter P.; Pozuelos, Francisco J.; Queloz, Didier; Scutt, Owen J.; Seager, Sara; Sebastian, Daniel; Tamura, Motohide; Thompson, Samantha; Watanabe, Noriharu; de Wit, Julien; Winn, Joshua N.; Zúñiga-Fernández, Sebastián
publishDate 2023
dc.date.none.fl_str_mv 2023
2024
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/355009
url http://hdl.handle.net/10261/355009
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
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info:eu-repo/grantAgreement/EC/H2020/803193
info:eu-repo/grantAgreement/EC/FP7/336480
info:eu-repo/grantAgreement/AEI/Programa Estatal para Impulsar la Investigación Científico-Técnica y su Transferencia 2021-2023/CEX2021-001131-S
http://dx.doi.org/10.1093/mnrasl/slad097
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eu_rights_str_mv openAccess
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
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spelling An M dwarf accompanied by a close-in giant orbiter with SPECULOOSTriaud, Amaury H. M. J.Pozuelos, Francisco JoséExoplanetsInfrared: planetary systemsTechniques: photometricTechniques: radial velocitiesFull list of authors: Triaud, Amaury H. M. J.; Dransfield, Georgina; Kagetani, Taiki; Timmermans, Mathilde; Narita, Norio; Barkaoui, Khalid; Hirano, Teruyuki; Rackham, Benjamin V.; Mori, Mayuko; Baycroft, Thomas; Benkhaldoun, Zouhair; Burgasser, Adam J.; Caldwell, Douglas A.; Collins, Karen A.; Davis, Yasmin T.; Delrez, Laetitia; Demory, Brice-Oliver; Ducrot, Elsa; Fukui, Akihiko; Muñoz, Clàudia Jano; Jehin, Emmanuël; García, Lionel J.; Ghachoui, Mourad; Gillon, Michaël; Chew, Yilen Gómez Maqueo; Hooton, Matthew J.; Ikoma, Masahiro; Kawauchi, Kiyoe; Kotani, Takayuki; Levine, Alan M.; Pallé, Enric; Pedersen, Peter P.; Pozuelos, Francisco J.; Queloz, Didier; Scutt, Owen J.; Seager, Sara; Sebastian, Daniel; Tamura, Motohide; Thompson, Samantha; Watanabe, Noriharu; de Wit, Julien; Winn, Joshua N.; Zúñiga-Fernández, SebastiánIn the last decade, a dozen close-in giant planets have been discovered orbiting stars with spectral types ranging from M0 to M4, a mystery since known formation pathways do not predict the existence of such systems. Here, we confirm TOI-4860 b, a Jupiter-sized planet orbiting an M4.5 host, a star at the transition between fully and partially convective interiors. First identified with TESS data, we validate the transiting companion’s planetary nature through multicolour photometry from the TRAPPIST-South/North, SPECULOOS, and MuSCAT3 facilities. Our analysis yields a radius of 0.76 ± 0.02 R for the planet, a mass of 0.34 M for the star, and an orbital period of 1.52 d. Using the newly commissioned SPIRIT InGaAs camera at the SPECULOOS-South Observatory, we collect infrared photometry in zYJ that spans the time of secondary eclipse. These observations do not detect a secondary eclipse, placing an upper limit on the brightness of the companion. The planetary nature of the companion is further confirmed through high-resolution spectroscopy obtained with the IRD spectrograph at Subaru Telescope, from which we measure a mass of 0.67 ± 0.14 M. Based on its overall density, TOI-4860 b appears to be rich in heavy elements, like its host star.© The Author(s) 2023.We thank our reviewer and editor for a prompt and insightful review. Funding for the TESS mission is provided by NASA's Science Mission Directorate. We acknowledge the use of public TESS data from pipelines at the TESS Science Office and at the TESS Science Processing Operations Center. This research has made use of the Exoplanet Follow-up Observation Program website, which is operated by the California Institute of Technology, under contract with the NASA under the Exoplanet Exploration Program. This letter includes data collected by the TESS mission that are publicly available from the MAST. This research is based on data collected by the SPECULOOS-South Observatory at the ESO Paranal Observatory in Chile. ULiege's contribution to SPECULOOS received funding from the European Research Council under the European Union's Seventh Framework Programme (FP/2007-2013; grant agreement no. 336480/SPECULOOS), the Balzan Prize Foundation and the Francqui Foundation, the Belgian Scientific Research Foundation (F.R.S.-FNRS; grant no. T.0109.20), the University of Liege, and the ARC grant for Concerted Research Actions financed by the Wallonia-Brussels Federation. This work was supported by a grant from the Simons Foundation (PI: Queloz; grant no. 327127). This research was in part funded by the European Union's Horizon 2020 research and innovation programme (grant agreement no. 803193/BEBOP), and from the Science and Technology Facilities Council (STFC; grant nos. ST/S00193X/1 and ST/W000385/1). The material is based upon work supported by NASA under award number 80GSFC21M0002. The postdoctoral fellowship of KB is funded by F.R.S.-FNRS grant T.0109.20 and by the Francqui Foundation. BVR thanks the Heising-Simons Foundation for support. YGMC acknowledges support from UNAM PAPIIT-IG101321. FJP acknowledges financial support from the grant CEX2021-001131-S funded by MCIN/AEI/ 10.13039/501100011033. This publication benefits from the support of the French Community of Belgium in the context of the FRIA doctoral grant awarded to MT. LD is an F.R.S.-FNRS Postdoctoral Researcher. This research is based on data collected by the TRAPPIST-South telescope at the ESO La Silla Observatory. TRAPPIST is funded by the Belgian Fund for Scientific Research (Fond National de la Recherche Scientifique, FNRS) under the grant FRFC 2.5.594.09.F, with the participation of the Swiss National Science Fundation (SNF). This work was partly supported by MEXT/JSPS KAKENHI grant nos. JP15H02063, JP17H04574, JP18H05439, JP18H05442, JP19K14783, JP21H00035, JP21K13955, JP21K20376, and JP22000005, and JST CREST grant no. JPMJCR1761. This letter is based on observations made with the MuSCAT3 instrument, developed by the Astrobiology Center and under financial support by JSPS KAKENHI (JP18H05439) and JST PRESTO (JPMJPR1775), at Faulkes Telescope North on Maui, HI, operated by the Las Cumbres Observatory.NASAInternational Balzan Prize FoundationEuropean Research CouncilFondation FrancquiCentre National de la Recherche Scientifique (France)Australian Research CouncilSimons FoundationUK Research and InnovationScience and Technology Facilities Council (UK)Heising Simons FoundationUniversidad Nacional Autónoma de MéxicoMinisterio de Ciencia e Innovación (España)Swiss National Science FoundationMinistry of Education, Culture, Sports, Science and Technology (Japan)Japan Society for the Promotion of ScienceJapan Science and Technology AgencyConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2024202420232024info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/355009reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/EC/H2020/803193info:eu-repo/grantAgreement/EC/FP7/336480info:eu-repo/grantAgreement/AEI/Programa Estatal para Impulsar la Investigación Científico-Técnica y su Transferencia 2021-2023/CEX2021-001131-Shttp://dx.doi.org/10.1093/mnrasl/slad097Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3550092026-05-22T06:33:51Z
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