Constraining the reflective properties of WASP-178 b using CHEOPS photometry

Pagano, I., et al.

Detalles Bibliográficos
Autores: Pagano, Isabella, Anglada-Escudé, Guillem, Barrado y Navascués, David, Ribas, Ignasi
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/357490
Acceso en línea:http://hdl.handle.net/10261/357490
Access Level:acceso abierto
Palabra clave:Planets and satellites: individual: wasp-178 b
Techniques: photometric
Planets and satellites: detection
Planets and satellites: gaseous planets
Planets and satellites: atmospheres
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dc.title.none.fl_str_mv Constraining the reflective properties of WASP-178 b using CHEOPS photometry
title Constraining the reflective properties of WASP-178 b using CHEOPS photometry
spellingShingle Constraining the reflective properties of WASP-178 b using CHEOPS photometry
Pagano, Isabella
Planets and satellites: individual: wasp-178 b
Techniques: photometric
Planets and satellites: detection
Planets and satellites: gaseous planets
Planets and satellites: atmospheres
title_short Constraining the reflective properties of WASP-178 b using CHEOPS photometry
title_full Constraining the reflective properties of WASP-178 b using CHEOPS photometry
title_fullStr Constraining the reflective properties of WASP-178 b using CHEOPS photometry
title_full_unstemmed Constraining the reflective properties of WASP-178 b using CHEOPS photometry
title_sort Constraining the reflective properties of WASP-178 b using CHEOPS photometry
dc.creator.none.fl_str_mv Pagano, Isabella
Anglada-Escudé, Guillem
Barrado y Navascués, David
Ribas, Ignasi
author Pagano, Isabella
author_facet Pagano, Isabella
Anglada-Escudé, Guillem
Barrado y Navascués, David
Ribas, Ignasi
author_role author
author2 Anglada-Escudé, Guillem
Barrado y Navascués, David
Ribas, Ignasi
author2_role author
author
author
dc.contributor.none.fl_str_mv Fundação para a Ciência e a Tecnologia (Portugal)
Science and Technology Facilities Council (UK)
Swiss National Science Foundation
Ministerio de Ciencia, Innovación y Universidades (España)
Agencia Estatal de Investigación (España)
Ministerio de Economía y Competitividad (España)
Ministerio de Ciencia e Innovación (España)
Generalitat de Catalunya
European Research Council
European Commission
European Space Agency
Centre National D'Etudes Spatiales (France)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Planets and satellites: individual: wasp-178 b
Techniques: photometric
Planets and satellites: detection
Planets and satellites: gaseous planets
Planets and satellites: atmospheres
topic Planets and satellites: individual: wasp-178 b
Techniques: photometric
Planets and satellites: detection
Planets and satellites: gaseous planets
Planets and satellites: atmospheres
description Pagano, I., et al.
publishDate 2024
dc.date.none.fl_str_mv 2024
2024
2024
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dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/357490
url http://hdl.handle.net/10261/357490
dc.language.none.fl_str_mv Inglés
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https://doi.org/10.1051/0004-6361/202346705

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dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
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spelling Constraining the reflective properties of WASP-178 b using CHEOPS photometryPagano, IsabellaAnglada-Escudé, GuillemBarrado y Navascués, DavidRibas, IgnasiPlanets and satellites: individual: wasp-178 bTechniques: photometricPlanets and satellites: detectionPlanets and satellites: gaseous planetsPlanets and satellites: atmospheresPagano, I., et al.[Context] Multiwavelength photometry of the secondary eclipses of extrasolar planets is able to disentangle the reflected and thermally emitted light radiated from the planetary dayside. Based on this, we can measure the planetary geometric albedo Ag, which is an indicator of the presence of clouds in the atmosphere, and the recirculation efficiency ϵ, which quantifies the energy transport within the atmosphere.[Aims] We measure Ag and ϵ for the planet WASP-178 b, a highly irradiated giant planet with an estimated equilibrium temperature of 2450 K.[Methods] We analyzed archival spectra and the light curves collected by CHEOPS and TESS to characterize the host WASP-178, refine the ephemeris of the system, and measure the eclipse depth in the passbands of the two telescopes.[Results] We measured a marginally significant eclipse depth of 70 ± 40 ppm in the TESS passband, and a statistically significant depth of 70 ± 20 ppm in the CHEOPS passband.[Conclusions] Combining the eclipse-depth measurement in the CHEOPS (λeff = 6300 Å) and TESS (λeff = 8000 Å) passbands, we constrained the dayside brightness temperature of WASP-178 b in the 2250–2800 K interval. The geometric albedo 0.1< Ag<0.35 generally supports the picture that giant planets are poorly reflective, while the recirculation efficiency ϵ >0.7 makes WASP-178 b an interesting laboratory for testing the current heat-recirculation models.ML acknowledges support of the Swiss National Science Foundation under grant number PCEFP2_194576. This work was also partially supported by a grant from the Simons Foundation (PI Queloz, grant number 327127). S.G.S. acknowledges support from FCT through FCT contract nr. CEECIND/00826/2018 and POPH/FSE (EC). ABr was supported by the SNSA. ACCa and TWi acknowledge support from STFC consolidated grant numbers ST/R000824/1 and ST/V000861/1, and UKSA grant number ST/R003203/1. V.V.G. is an F.R.S-FNRS Research Associate. Y.Al. acknowledges support from the Swiss National Science Foundation (SNSF) under grant 200020_192038. We acknowledge support from the Spanish Ministry of Science and Innovation and the European Regional Development Fund through grants ESP2016-80435-C2-1-R, ESP2016-80435-C2-2-R, PGC2018-098153-B-C33, PGC2018-098153-B-C31, ESP2017-87676-C5-1-R, MDM-2017-0737 Unidad de Excelencia Maria de Maeztu-Centro de Astrobiología (INTA-CSIC), as well as the support of the Generalitat de Catalunya/CERCA programme. The MOC activities have been supported by the ESA contract No. 4000124370. S.C.C.B. acknowledges support from FCT through FCT contracts nr. IF/01312/2014/CP1215/CT0004. X.B., S.C., D.G., M.F. and J.L. acknowledge their role as ESA-appointed CHEOPS science team members. This project was supported by the CNES. The Belgian participation to CHEOPS has been supported by the Belgian Federal Science Policy Office (BELSPO) in the framework of the PRODEX Program, and by the University of Liège through an ARC grant for Concerted Research Actions financed by the Wallonia-Brussels Federation. L.D. is an F.R.S.-FNRS Postdoctoral Researcher. This work was supported by FCT – Fundação para a Ciência e a Tecnologia through national funds and by FEDER through COMPETE2020 – Programa Operacional Competitividade e Internacionalizacão by these grants: UID/FIS/04434/2019, UIDB/04434/2020, UIDP/04434/2020, PTDC/FIS-AST/32113/2017 & POCI-01-0145-FEDER-032113, PTDC/FIS-AST/28953/2017 & POCI-01-0145-FEDER-028953, PTDC/FIS-AST/28987/2017 & POCI-01-0145-FEDER-028987, O.D.S.D. is supported in the form of work contract (DL 57/2016/CP1364/CT0004) funded by national funds through FCT. B.-O.D. acknowledges support from the Swiss State Secretariat for Education, Research and Innovation (SERI) under contract number MB22.00046. This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research grant agreement no. 724427). It has also been carried out in the frame of the National Centre for Competence in Research PlanetS supported by the Swiss National Science Foundation (SNSF). D.E. acknowledges financial support from the Swiss National Science Foundation for project 200021_200726 and innovation programme (project FOUR ACES). M.F. and C.M.P. gratefully acknowledge the support of the Swedish National Space Agency (DNR 65/19, 174/18). D.G. gratefully acknowledges financial support from the CRT foundation under Grant No. 2018.2323 “Gaseousor rocky? Unveiling the nature of small worlds”. M.G. is an F.R.S.-FNRS Senior Research Associate. M.N.G. is the ESA CHEOPS Project Scientist and Mission Representative, and as such also responsible for the Guest Observers (GO) Programme. M.N.G. does not relay proprietary information between the GO and Guaranteed Time Observation (GTO) Programmes, and does not decide on the definition and target selection of the GTO Programme. SH gratefully acknowledges CNES funding through the grant 837319. K.G.I. is the ESA CHEOPS Project Scientist and is responsible for the ESA CHEOPS Guest Observers Programme. She does not participate in, or contribute to, the definition of the Guaranteed Time Programme of the CHEOPS mission through which observations described in this paper have been taken, nor to any aspect of target selection for the programme. This work was granted access to the HPC resources of MesoPSL financed by the Region Ile de France and the project Equip@Meso (reference ANR-10-EQPX-29-01) of the programme Investissements d’Avenir supervised by the Agence Nationale pour la Recherche. P.M. acknowledges support from STFC research grant number ST/M001040/1. I.R.I. acknowledges support from the Spanish Ministry of Science and Innovation and the European Regional Development Fund through grant PGC2018-098153-B-C33, as well as the support of the Generalitat de Catalunya/CERCA programme. Gy.M.Sz. acknowledges the support of the Hungarian National Research, Development and Innovation Office (NKFIH) grant K-125015, a PRODEX Experiment Agreement No. 4000137122, the Lendület LP2018-7/2021 grant of the Hungarian Academy of Science and the support of the city of Szombathely. N.A.W. acknowledges UKSA grant ST/R004838/1. N.C.S. acknowledges funding by the European Union (ERC, FIERCE, 101052347). Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Research Council. Neither the European Union nor the granting authority can be held responsible for them. K.W.F.L. was supported by Deutsche Forschungsgemeinschaft grants RA714/14-1 within the DFG Schwerpunkt SPP 1992, Exploring the Diversity of Extrasolar Planets. In this work, we use the python package PyDE available at https://github.com/hpparvi/PyDE. This research has made use of the SVO Filter Profile Service (http://svo2.cab.inta-csic.es/theory/fps/) supported from the Spanish MINECO through grant AYA2017-84089.Peer reviewedEDP SciencesFundação para a Ciência e a Tecnologia (Portugal)Science and Technology Facilities Council (UK)Swiss National Science FoundationMinisterio de Ciencia, Innovación y Universidades (España)Agencia Estatal de Investigación (España)Ministerio de Economía y Competitividad (España)Ministerio de Ciencia e Innovación (España)Generalitat de CatalunyaEuropean Research CouncilEuropean CommissionEuropean Space AgencyCentre National D'Etudes Spatiales (France)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202420242024info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/357490reponame:DIGITAL.CSIC. 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