Search: onr:"swepub:oai:research.chalmers.se:9cd3ed69-f5aa-407b-be20-272fc93535b1" >
The stable climate ...
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Jones, K.Universität Bern,University of Bern
(author)
The stable climate of KELT-9b
- Article/chapterEnglish2022
Publisher, publication year, extent ...
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2022-10-19
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EDP Sciences,2022
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:research.chalmers.se:9cd3ed69-f5aa-407b-be20-272fc93535b1
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https://research.chalmers.se/publication/532992URI
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https://doi.org/10.1051/0004-6361/202243823DOI
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https://lup.lub.lu.se/record/f388eb5d-4cb4-41aa-97da-fb1dc5761e94URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-211593URI
Supplementary language notes
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Language:English
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Summary in:English
Part of subdatabase
Classification
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Even among the most irradiated gas giants, so-called ultra-hot Jupiters, KELT-9b stands out as the hottest planet thus far discovered with a dayside temperature of over 4500 K. At these extreme irradiation levels, we expect an increase in heat redistribution efficiency and a low Bond albedo owed to an extended atmosphere with molecular hydrogen dissociation occurring on the planetary dayside. We present new photometric observations of the KELT-9 system throughout 4 full orbits and 9 separate occultations obtained by the 30 cm space telescope CHEOPS. The CHEOPS bandpass, located at optical wavelengths, captures the peak of the thermal emission spectrum of KELT-9b. In this work we simultaneously analyse CHEOPS phase curves along with public phase curves from TESS and Spitzer to infer joint constraints on the phase curve variation, gravity-darkened transits, and occultation depth in three bandpasses, as well as derive 2D temperature maps of the atmosphere at three different depths. We find a day-night heat redistribution efficiency of similar to 0.3 which confirms expectations of enhanced energy transfer to the planetary nightside due to dissociation and recombination of molecular hydrogen. We also calculate a Bond albedo consistent with zero. We find no evidence of variability of the brightness temperature of the planet, excluding variability greater than 1% (1 sigma).
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Davies, M.B.Lund University,Lunds universitet,Matematik (naturvetenskapliga fakulteten),Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematics (Faculty of Sciences),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)astr-mda
(author)
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Demory, B-OUniversität Bern,University of Bern
(author)
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Heng, K.Universität Bern,University of Bern,The University of Warwick
(author)
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Hooton, M. J.Universität Bern,University of Bern,University Of Cambridge
(author)
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Billot, N.Université de Genève,University of Geneva
(author)
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Ehrenreich, D.Université de Genève,University of Geneva
(author)
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Hoyer, S.Aix-Marseille Université,Aix Marseille University
(author)
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Simon, A. E.Universität Bern,University of Bern
(author)
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Lendl, M.Université de Genève,University of Geneva
(author)
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Demangeon, O. D. S.Universidade do Porto,University of Porto
(author)
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Sousa, S. G.Universidade do Porto,University of Porto
(author)
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Bonfanti, A.Österreichische Akademie der Wissenschaften,Austrian Academy of Sciences
(author)
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Wilson, T. G.University of St Andrews
(author)
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Salmon, S.Université de Genève,University of Geneva
(author)
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Csizmadia, SzDeutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
(author)
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Parviainen, H.Instituto de Astrofísica de Canarias
(author)
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Bruno, G.Istituto nazionale di astrofisica (INAF)
(author)
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Alibert, Y.Universität Bern,University of Bern
(author)
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Alonso, R.Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
(author)
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Anglada, G.Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council,Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC)
(author)
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Barczy, T.
(author)
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Barrado, D.
(author)
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Barros, S. C. C.Universidade do Porto,University of Porto
(author)
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Baumjohann, W.Österreichische Akademie der Wissenschaften,Austrian Academy of Sciences
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Beck, M.Université de Genève,University of Geneva
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Beck, T.Universität Bern,University of Bern
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Benz, W.Universität Bern,University of Bern
(author)
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Bonfils, X.Université Grenoble Alpes,Grenoble Alpes University
(author)
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Brandeker, AlexisStockholms universitet,Institutionen för astronomi(Swepub:su)alexis
(author)
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Broeg, C.Universität Bern,University of Bern
(author)
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Cabrera, J.Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
(author)
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Charnoz, S.
(author)
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Cameron, A. CollierUniversity of St Andrews
(author)
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Davies, M. B.Lunds universitet,Lund University
(author)
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Deleuil, M.Aix-Marseille Université,Aix Marseille University
(author)
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Deline, A.Université de Genève,University of Geneva
(author)
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Delrez, L.Universite de Liège,University of Liège
(author)
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Erikson, A.Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
(author)
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Fortier, A.Universität Bern,University of Bern
(author)
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Fossati, L.Österreichische Akademie der Wissenschaften,Austrian Academy of Sciences
(author)
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Fridlund, Malcolm,1952Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)malfri
(author)
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Gandolfi, D.Universita degli Studi di Torino,University of Turin
(author)
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Gillon, M.Universite de Liège,University of Liège
(author)
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Gudel, M.Universität Wien,University of Vienna
(author)
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Isaak, K. G.European Space Research and Technology Centre (ESA ESTEC)
(author)
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Kiss, L. L.Magyar Tudomanyos Akademia,Hungarian Academy of Sciences,Eötvös Loránd University (ELTE)
(author)
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Laskar, J.Sorbonne Université,Sorbonne University
(author)
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des Etangs, A. LecavelierSorbonne Université,Sorbonne University
(author)
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Lovis, C.Université de Genève,University of Geneva
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Magrin, D.Istituto nazionale di astrofisica (INAF)
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Maxted, P. F. L.Keele University
(author)
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Nascimbeni, VIstituto nazionale di astrofisica (INAF)
(author)
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Olofsson, Göran,1944-Stockholms universitet,Institutionen för astronomi(Swepub:su)olofsson
(author)
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Ottensamer, R.Universität Wien,University of Vienna
(author)
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Pagano, IIstituto nazionale di astrofisica (INAF)
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Palle, E.Instituto de Astrofísica de Canarias
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Peter, G.Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
(author)
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Piotto, G.Istituto nazionale di astrofisica (INAF),Università Degli Studi di Padova,University of Padua
(author)
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Pollacco, D.The University of Warwick
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Queloz, D.Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH),University Of Cambridge
(author)
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Ragazzoni, R.Università Degli Studi di Padova,University of Padua,Istituto nazionale di astrofisica (INAF)
(author)
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Rando, N.European Space Agency (ESA)
(author)
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Ratti, F.European Space Agency (ESA)
(author)
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Rauer, H.Technische Universität Berlin,Freie Universität Berlin,Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
(author)
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Reimers, C.Universität Wien,University of Vienna
(author)
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Ribas, IInstitut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC),Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council
(author)
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Santos, N. C.Universidade do Porto,University of Porto
(author)
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Scandariato, G.Istituto nazionale di astrofisica (INAF)
(author)
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Segransan, D.Université de Genève,University of Geneva
(author)
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Smith, A. M. S.Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
(author)
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Steller, M.Österreichische Akademie der Wissenschaften,Austrian Academy of Sciences
(author)
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Szabo, Gy M.Eötvös Loránd University (ELTE)
(author)
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Thomas, N.Universität Bern,University of Bern
(author)
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Udry, S.Université de Genève,University of Geneva
(author)
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Van Grootel, V.Universite de Liège,University of Liège
(author)
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Walter, IDeutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
(author)
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Walton, N. A.University Of Cambridge
(author)
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Jungo, W. WangUniversität Bern,University of Bern
(author)
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Universität BernUniversity of Bern
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In:Astronomy and Astrophysics: EDP Sciences6660004-63611432-0746
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- By the author/editor
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Jones, K.
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Davies, M.B.
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Demory, B-O
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Heng, K.
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Hooton, M. J.
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Billot, N.
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Ehrenreich, D.
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Hoyer, S.
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Simon, A. E.
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Lendl, M.
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Demangeon, O. D. ...
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Sousa, S. G.
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Bonfanti, A.
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Wilson, T. G.
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Salmon, S.
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Csizmadia, Sz
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Parviainen, H.
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Bruno, G.
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Alibert, Y.
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Alonso, R.
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Anglada, G.
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Barczy, T.
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Barrado, D.
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Barros, S. C. C.
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Baumjohann, W.
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Beck, M.
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Beck, T.
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Benz, W.
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Bonfils, X.
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Brandeker, Alexi ...
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Broeg, C.
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Cabrera, J.
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Charnoz, S.
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Cameron, A. Coll ...
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Davies, M. B.
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Deleuil, M.
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Deline, A.
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Delrez, L.
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Erikson, A.
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Fortier, A.
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Fossati, L.
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Fridlund, Malcol ...
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Gandolfi, D.
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Gillon, M.
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Gudel, M.
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Isaak, K. G.
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Kiss, L. L.
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Laskar, J.
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des Etangs, A. L ...
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Lovis, C.
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Magrin, D.
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Maxted, P. F. L.
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Nascimbeni, V
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Olofsson, Göran, ...
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Ottensamer, R.
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Pagano, I
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Palle, E.
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Peter, G.
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Piotto, G.
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Pollacco, D.
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Queloz, D.
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Ragazzoni, R.
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Rando, N.
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Ratti, F.
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Rauer, H.
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Reimers, C.
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Ribas, I
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Santos, N. C.
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Scandariato, G.
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Segransan, D.
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Smith, A. M. S.
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Steller, M.
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Szabo, Gy M.
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Thomas, N.
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Udry, S.
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Van Grootel, V.
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Walter, I
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Walton, N. A.
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Jungo, W. Wang
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