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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 11518naa a2201669 4500 | |
| 001 | oai:research.chalmers.se:3be39a13-1325-4ed4-b903-a0607627d02c | |
| 003 | SwePub | |
| 008 | 240330s2024 | |||||||||||000 ||eng| | |
| 009 | oai:DiVA.org:su-227979 | |
| 024 | 7 | a https://research.chalmers.se/publication/5405562 URI |
| 024 | 7 | a https://doi.org/10.1093/mnras/stad38662 DOI |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-2279792 URI |
| 040 | a (SwePub)cthd (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Swayne, M.I.u Keele University4 aut |
| 245 | 1 0 | a The EBLM Project– XI. Mass, radius, and effective temperature measurements for 23 M-dwarf companions to solar-type stars observed with CHEOPS |
| 264 | 1 | c 2024 |
| 338 | a electronic2 rdacarrier | |
| 520 | a Observations of low-mass stars have frequently shown a disagreement between observed stellar radii and radii predicted by theoretical stellar structure models. This ‘radius inflation’ problem could have an impact on both stellar and exoplanetary science. We present the final results of our observation programme with the CHaracterising ExOPlanet Satellite (CHEOPS) to obtain high-precision light curves of eclipsing binaries with low-mass stellar companions (EBLMs). Combined with the spectroscopic orbits of the solar-type companions, we can derive the masses, radii, and effective temperatures of 23 M-dwarf stars. We use the PYCHEOPS data analysis software to analyse their primary and secondary occultations. For all but one target, we also perform analyses with Transiting Exoplanet Survey Satellite (TESS) light curves for comparison. We have assessed the impact of starspot-induced variation on our derived parameters and account for this in our radius and effective temperature uncertainties using simulated light curves. We observe trends in inflation with both metallicity and orbital separation. We also observe a strong trend in the difference between theoretical and observational effective temperatures with metallicity. There is no such trend with orbital separation. These results are not consistent with the idea that the observed inflation in stellar radius combines with lower effective temperature to preserve the luminosity predicted by low-mass stellar models. Our EBLM systems provide high-quality and homogeneous measurements that can be used in further studies of radius inflation. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 653 | a stars: fundamental parameters | |
| 653 | a stars: low-mass | |
| 653 | a binaries: eclipsing | |
| 653 | a techniques: photometric | |
| 653 | a techniques: spectroscopic | |
| 700 | 1 | a Maxted, P.u Keele University4 aut |
| 700 | 1 | a Triaud, Amauryu University of Birmingham4 aut |
| 700 | 1 | a Sousa, S. G.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Deline, A.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Ehrenreich, D.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Hoyer, S.u Laboratoire d'Astrophysique de Marseille4 aut |
| 700 | 1 | a Olofsson, Göran,d 1944-u Stockholms universitet,Institutionen för astronomi4 aut0 (Swepub:su)olofsson |
| 700 | 1 | a Boisse, I.u Laboratoire d'Astrophysique de Marseille4 aut |
| 700 | 1 | a Duck, A.u Tufts University4 aut |
| 700 | 1 | a Gill, S.u The University of Warwick4 aut |
| 700 | 1 | a Martin, D.u Tufts University4 aut |
| 700 | 1 | a McCormac, J.u The University of Warwick4 aut |
| 700 | 1 | a Persson, Carina,d 1964u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)carina64 |
| 700 | 1 | a Santerne, A.u Laboratoire d'Astrophysique de Marseille4 aut |
| 700 | 1 | a Sebastian, D.u University of Birmingham4 aut |
| 700 | 1 | a Standing, M.R.u Open University4 aut |
| 700 | 1 | a Acuña, L.u Laboratoire d'Astrophysique de Marseille4 aut |
| 700 | 1 | a Alibert, Y.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Alonso, R.u Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Anglada, G.u Institut de Ciències de l'Espai (ICE) - CSIC,Institute of Space Sciences (ICE) - CSIC4 aut |
| 700 | 1 | a Bárczy, T.4 aut |
| 700 | 1 | a Navascues, D. Barradou European Space Astronomy Centre (ESAC)4 aut |
| 700 | 1 | a Barros, S.C.C.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Baumjohann, W.4 aut |
| 700 | 1 | a Baycroft, T.A.u University of Birmingham4 aut |
| 700 | 1 | a Beck, M.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Beck, T.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Benz, W.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Billot, N.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Bonfils, X.4 aut |
| 700 | 1 | a Borsato, L.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Bourrier, V.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Brandeker, Alexis,d 1974-u Stockholms universitet,Institutionen för astronomi4 aut0 (Swepub:su)alexis |
| 700 | 1 | a Broeg, C.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Carmona, A.4 aut |
| 700 | 1 | a Charnoz, S.u Institut de Physique du Globe de Paris4 aut |
| 700 | 1 | a Collier Cameron, A.u University of St Andrews4 aut |
| 700 | 1 | a Cortés-Zuleta, Píau Laboratoire d'Astrophysique de Marseille4 aut |
| 700 | 1 | a Csizmadia, Szilardu Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Cubillos, P. E.4 aut |
| 700 | 1 | a Davies, M. B.u Lunds universitet,Lund University4 aut |
| 700 | 1 | a Deleuil, M.u Laboratoire d'Astrophysique de Marseille4 aut |
| 700 | 1 | a Delfosse, X.4 aut |
| 700 | 1 | a Delrez, L.u Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Demangeon, O.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Demory, B.O.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Dransfield, Georginau University of Birmingham4 aut |
| 700 | 1 | a Erikson, Andersu Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Fortier, A.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Forveille, T.4 aut |
| 700 | 1 | a Fossati, L.4 aut |
| 700 | 1 | a Fridlund, Malcolm,d 1952u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)malfri |
| 700 | 1 | a Gandolfi, D.u Universita degli Studi di Torino,University of Turin4 aut |
| 700 | 1 | a Gillon, Michaëlu Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Gudel, M.u Universität Wien,University of Vienna4 aut |
| 700 | 1 | a Günther, Maximilian N.u European Space Research and Technology Centre (ESA ESTEC)4 aut |
| 700 | 1 | a Hara, N.C.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Hebrard, G.u Institut d 'Astrophysique de Paris4 aut |
| 700 | 1 | a Heidari, N.u Laboratoire d'Astrophysique de Marseille4 aut |
| 700 | 1 | a Hellier, Coelu Keele University4 aut |
| 700 | 1 | a Helling, Ch.4 aut |
| 700 | 1 | a Isaak, K.u European Space Research and Technology Centre (ESA ESTEC)4 aut |
| 700 | 1 | a Kerschbaum, F.u Universität Wien,University of Vienna4 aut |
| 700 | 1 | a Kiefer, F.u Institut d 'Astrophysique de Paris4 aut |
| 700 | 1 | a Kiss, L. L.u Magyar Tudomanyos Akademia,Hungarian Academy of Sciences4 aut |
| 700 | 1 | a Kunovac, V.u The University of Warwick4 aut |
| 700 | 1 | a Lalitha, S.u University of Birmingham4 aut |
| 700 | 1 | a Lam, K. W.F.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Laskar, J.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Etangs, A. Lecavelier desu Institut d 'Astrophysique de Paris4 aut |
| 700 | 1 | a Lendl, M.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Magrin, D.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Marafatto, L.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Martioli, E.u Institut d 'Astrophysique de Paris4 aut |
| 700 | 1 | a Miller, N.J.u Polish Academy of Sciences4 aut |
| 700 | 1 | a Mordasini, C.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Moutou, C.u Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Nascimbeni, Valeriou Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Ottensamer, R.u Universität Wien,University of Vienna4 aut |
| 700 | 1 | a Pagano, I.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Palle, Enricu Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Peter, G.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Piazza, D.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Piotto, Giampaolo P.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Pollacco, D.u The University of Warwick4 aut |
| 700 | 1 | a Queloz, D.u Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)4 aut |
| 700 | 1 | a Ragazzoni, R.u Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Rando, N.u European Space Research and Technology Centre (ESA ESTEC)4 aut |
| 700 | 1 | a Rauer, H.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Ribas, I.u Institut de Ciències de l'Espai (ICE) - CSIC,Institute of Space Sciences (ICE) - CSIC4 aut |
| 700 | 1 | a Santos, N. C.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Scandariato, Gaetanou Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Segransan, D.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Simon, A.E.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Smith, A. M.S.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Southworth, R.u European Space Research and Technology Centre (ESA ESTEC)4 aut |
| 700 | 1 | a Stalport, M.u Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Szabó, G.M.u Eötvös Loránd University (ELTE)4 aut |
| 700 | 1 | a Thomas, Nicolasu Universität Bern,University of Bern4 aut |
| 700 | 1 | a Udry, S.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Ulmer, B.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Van Grootel, V.u Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Venturini, J.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Walton, N. A.u University Of Cambridge4 aut |
| 700 | 1 | a Willett, E.u University of Birmingham4 aut |
| 700 | 1 | a Wilson, T.G.u University of St Andrews4 aut |
| 710 | 2 | a Keele Universityb University of Birmingham4 org |
| 773 | 0 | t Monthly Notices of the Royal Astronomical Societyg 528:4, s. 5703-5722q 528:4<5703-5722x 0035-8711x 1365-2966 |
| 856 | 4 | u https://research.chalmers.se/publication/540556/file/540556_Fulltext.pdfx primaryx freey FULLTEXT |
| 856 | 4 | u https://doi.org/10.1093/mnras/stad3866y Fulltext |
| 856 | 4 8 | u https://research.chalmers.se/publication/540556 |
| 856 | 4 8 | u https://doi.org/10.1093/mnras/stad3866 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-227979 |
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