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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 13694naa a2201837 4500 | |
| 001 | oai:research.chalmers.se:62bd3c3a-7010-44ee-928e-761768f571a2 | |
| 003 | SwePub | |
| 008 | 230323s2023 | |||||||||||000 ||eng| | |
| 009 | oai:lup.lub.lu.se:4bb3e20f-2659-4807-a440-2e2604d9893b | |
| 009 | oai:DiVA.org:su-220590 | |
| 024 | 7 | a https://doi.org/10.1051/0004-6361/2022456072 DOI |
| 024 | 7 | a https://research.chalmers.se/publication/5350722 URI |
| 024 | 7 | a https://lup.lub.lu.se/record/4bb3e20f-2659-4807-a440-2e2604d9893b2 URI |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-2205902 URI |
| 040 | a (SwePub)cthd (SwePub)lud (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Bonfanti, A.u Space Research Institute, AAS4 aut |
| 245 | 1 0 | a TOI-1055 b: Neptunian planet characterised with HARPS, TESS, and CHEOPS |
| 264 | c 2023-03-08 | |
| 264 | 1 | b EDP Sciences,c 2023 |
| 338 | a electronic2 rdacarrier | |
| 520 | a Context. TOI-1055 is a Sun-like star known to host a transiting Neptune-sized planet on a 17.5-day orbit (TOI-1055 b). Radial velocity (RV) analyses carried out by two independent groups using nearly the same set of HARPS spectra have provided measurements of planetary masses that differ by ∼2σ. Aims. Our aim in this work is to solve the inconsistency in the published planetary masses by significantly extending the set of HARPS RV measurements and employing a new analysis tool that is able to account and correct for stellar activity. Our further aim was to improve the precision on measurements of the planetary radius by observing two transits of the planet with the CHEOPS space telescope. Methods. We fit a skew normal function to each cross correlation function extracted from the HARPS spectra to obtain RV measurements and hyperparameters to be used for the detrending. We evaluated the correlation changes of the hyperparameters along the RV time series using the breakpoint technique. We performed a joint photometric and RV analysis using a Markov chain Monte Carlo scheme to simultaneously detrend the light curves and the RV time series. Results. We firmly detected the Keplerian signal of TOI-1055 b, deriving a planetary mass of Mb = 20.4-2.5+2.6 MO (∼12%). This value is in agreement with one of the two estimates in the literature, but it is significantly more precise. Thanks to the TESS transit light curves combined with exquisite CHEOPS photometry, we also derived a planetary radius of Rb = 3.490-0.064+0.070 RO (∼1.9%). Our mass and radius measurements imply a mean density of ρb = 2.65-0.35+0.37 g cm-3 (∼14%). We further inferred the planetary structure and found that TOI-1055 b is very likely to host a substantial gas envelope with a mass of 0.41-0.20+0.34 MO and a thickness of 1.05-0.29+0.30 RO. Conclusions. Our RV extraction combined with the breakpoint technique has played a key role in the optimal removal of stellar activity from the HARPS time series, enabling us to solve the tension in the planetary mass values published so far for TOI-1055 b. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Medicinteknikx Medicinsk laboratorie- och mätteknik0 (SwePub)206012 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Medical Engineeringx Medical Laboratory and Measurements Technologies0 (SwePub)206012 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Kemix Analytisk kemi0 (SwePub)104012 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Analytical Chemistry0 (SwePub)104012 hsv//eng |
| 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 Techniques: photometric | |
| 653 | a Planets and satellites: fundamental parameters | |
| 653 | a Stars: fundamental parameters | |
| 653 | a Techniques: radial velocities | |
| 653 | a Planets and satellites: fundamental parameters | |
| 653 | a Stars: fundamental parameters | |
| 653 | a Techniques: photometric | |
| 653 | a Techniques: radial velocities | |
| 653 | a Interplanetary flight | |
| 653 | a Markov processes | |
| 653 | a Monte Carlo methods | |
| 653 | a Orbits | |
| 653 | a Photometry | |
| 653 | a Planets | |
| 653 | a Satellites | |
| 653 | a Stars | |
| 653 | a Time series analysis | |
| 653 | a Measurements of | |
| 653 | a Planetary mass | |
| 653 | a Radial velocity | |
| 653 | a Spectra's | |
| 653 | a Stars:fundamental parameters | |
| 653 | a Times series | |
| 653 | a Velocity analysis | |
| 653 | a Time series | |
| 700 | 1 | a Gandolfi, D.u Universita degli Studi di Torino,University of Turin4 aut |
| 700 | 1 | a Egger, J. A.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Fossati, L.4 aut |
| 700 | 1 | a Cabrera, J.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Krenn, A.4 aut |
| 700 | 1 | a Alibert, Y.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 Florén, Hans Gustav,d 1962-u Stockholms universitet,Institutionen för astronomi4 aut0 (Swepub:su)flore |
| 700 | 1 | a Lendl, M.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Adibekyan, V.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Salmon, S.u Université de Genève,University of Geneva4 aut |
| 700 | 1 | a Santos, N. C.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Sousa, S. G.u Universidade do Porto,University of Porto4 aut |
| 700 | 1 | a Wilson, T. G.u University of St Andrews4 aut |
| 700 | 1 | a Barragán, O.u University Of Oxford4 aut |
| 700 | 1 | a Collier Cameron, A.u University of St Andrews4 aut |
| 700 | 1 | a Delrez, L.u Universite de Liège,University of Liège4 aut |
| 700 | 1 | a Esposito, M.u Thüringer Landessternwarte Tautenburg4 aut |
| 700 | 1 | a Goffo, E.u Universita degli Studi di Torino,University of Turin,Thüringer Landessternwarte Tautenburg4 aut |
| 700 | 1 | a Osborne, H. L.M.u University College London (UCL)4 aut |
| 700 | 1 | a Osborn, H. P.u Universität Bern,University of Bern,Massachusetts Institute of Technology (MIT)4 aut |
| 700 | 1 | a Serrano, L. M.u Universita degli Studi di Torino,University of Turin4 aut |
| 700 | 1 | a Van Eylen, Vincentu University College London (UCL)4 aut |
| 700 | 1 | a Alarcon, Javieru European Southern Observatory Santiago4 aut |
| 700 | 1 | a Alonso, R.u Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Anglada, G.u Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC),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 Barrado Navascues, D.u Centro de Astrobiologia (CAB)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 Davies, M.B.u Lund University,Lunds universitet,Matematik (naturvetenskapliga fakulteten),Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,LU profilområde: Naturlig och artificiell kognition,Lunds universitets profilområden,Mathematics (Faculty of Sciences),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH,LU Profile Area: Natural and Artificial Cognition,Lund University Profile areas4 aut0 (Swepub:lu)astr-mda |
| 700 | 1 | a Beck, T.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Bedell, Meganu Flatiron Institute4 aut |
| 700 | 1 | a Bonfils, X.4 aut |
| 700 | 1 | a Borsato, L.u Istituto nazionale di astrofisica (INAF)4 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 Charnoz, S.u Institut de Physique du Globe de Paris4 aut |
| 700 | 1 | a Corral Van Damme, C.u European Space Research and Technology Centre (ESA ESTEC)4 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.u Istituto nazionale di astrofisica (INAF)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 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 Ehrenreich, D.u Université de Genève,University of Geneva4 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 Fridlund, Malcolm,d 1952u Universiteit Leiden (UL),Leiden University (UL),Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)malfri |
| 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 Hoyer, S.u Laboratoire d'Astrophysique de Marseille4 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 Kiss, L.L.u Magyar Tudomanyos Akademia,Hungarian Academy of Sciences,Eötvös Loránd University (ELTE)4 aut |
| 700 | 1 | a Laskar, J.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a des Etangs, A. L.u Institut d 'Astrophysique de Paris4 aut |
| 700 | 1 | a Lorenzo-Oliveira, D.u Universidade de Sao Paulo (USP),University of Sao Paulo (USP)4 aut |
| 700 | 1 | a Lovis, C.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 Maxted, P.u Keele University4 aut |
| 700 | 1 | a Meléndez, J.u Universidade de Sao Paulo (USP),University of Sao Paulo (USP)4 aut |
| 700 | 1 | a Mordasini, C.u Universität Bern,University of Bern4 aut |
| 700 | 1 | a Nascimbeni, Valeriou Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Olofsson, Göran,d 1944-u Stockholms universitet,Institutionen för astronomi4 aut0 (Swepub:su)olofsson |
| 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, E.u 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),Università Degli Studi di Padova,University of Padua4 aut |
| 700 | 1 | a Pollacco, D.u The University of Warwick4 aut |
| 700 | 1 | a Queloz, D.u University Of Cambridge,Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)4 aut |
| 700 | 1 | a Ragazzoni, Robertou Università Degli Studi di Padova,University of Padua,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 Technische Universität Berlin,Freie Universität Berlin,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) - CSIC,Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC)4 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 Steller, Manfred B.4 aut |
| 700 | 1 | a Szabó, Gy M.u Eötvös Loránd University (ELTE)4 aut |
| 700 | 1 | a Thomas, N.u 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 Cambridge,University of Cambridge4 aut |
| 710 | 2 | a Space Research Institute, AASb Universita degli Studi di Torino4 org |
| 773 | 0 | t Astronomy and Astrophysicsd : EDP Sciencesg 671q 671x 0004-6361x 1432-0746 |
| 856 | 4 | u https://research.chalmers.se/publication/535072/file/535072_Fulltext.pdfx primaryx freey FULLTEXT |
| 856 | 4 | u http://dx.doi.org/10.1051/0004-6361/202245607x freey FULLTEXT |
| 856 | 4 | u https://doi.org/10.1051/0004-6361/202245607y Fulltext |
| 856 | 4 8 | u https://doi.org/10.1051/0004-6361/202245607 |
| 856 | 4 8 | u https://research.chalmers.se/publication/535072 |
| 856 | 4 8 | u https://lup.lub.lu.se/record/4bb3e20f-2659-4807-a440-2e2604d9893b |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-220590 |
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