WFRF:(Esposito Massimiliano)
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 12057naa a2201285 4500 | |
| 001 | oai:research.chalmers.se:2cb26850-2443-44b1-8e4f-0c1bba91958b | |
| 003 | SwePub | |
| 008 | 190823s2019 | |||||||||||000 ||eng| | |
| 009 | oai:lup.lub.lu.se:b180c7b0-c45c-4c33-bb07-72b475cd7482 | |
| 024 | 7 | a https://research.chalmers.se/publication/5192342 URI |
| 024 | 7 | a https://research.chalmers.se/publication/5119372 URI |
| 024 | 7 | a https://research.chalmers.se/publication/5116942 URI |
| 024 | 7 | a https://doi.org/10.1051/0004-6361/2019355052 DOI |
| 024 | 7 | a https://lup.lub.lu.se/record/b180c7b0-c45c-4c33-bb07-72b475cd74822 URI |
| 040 | a (SwePub)cthd (SwePub)lu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Persson, Carina,d 1964u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)carina64 |
| 245 | 1 0 | a Greening of the brown-dwarf desert EPIC 212036875b: a 51 M-J object in a 5-day orbit around an F7V star |
| 264 | c 2019-08-08 | |
| 264 | 1 | b EDP Sciences,c 2019 |
| 338 | a electronic2 rdacarrier | |
| 520 | a Context. Although more than 2000 brown dwarfs have been detected to date, mainly from direct imaging, their characterisation is difficult due to their faintness and model-dependent results. In the case of transiting brown dwarfs, however, it is possible to make direct high-precision observations. Aims. Our aim is to investigate the nature and formation of brown dwarfs by adding a new well-characterised object, in terms of its mass, radius and bulk density, to the currently small sample of less than 20 transiting brown dwarfs. Methods. One brown dwarf candidate was found by the KESPRINT consortium when searching for exoplanets in the K2 space mission Campaign 16 field. We combined the K2 photometric data with a series of multicolour photometric observations, imaging, and radial velocity measurements to rule out false positive scenarios and to determine the fundamental properties of the system. Results. We report the discovery and characterisation of a transiting brown dwarf in a 5.17-day eccentric orbit around the slightly evolved F7V star EPIC 212036875. We find a stellar mass of 1.15 +/- 0.08 M-circle dot, a stellar radius of 1.41 +/- 0.05 R-circle dot, and an age of 5.1 +/- 0.9 Gyr. The mass and radius of the companion brown dwarf are 51 +/- 2 M-J and 0.83 +/- 0.03 R-J, respectively, corresponding to a mean density of 108(-13)(+15) g cm(-3). Conclusions. EPIC 212036875 b is a rare object that resides in the brown-dwarf desert. In the mass-density diagram for planets, brown dwarfs, and stars, we find that all giant planets and brown dwarfs follow the same trend from similar to 0.3 M-J to the turn-over to hydrogen burning stars at similar to 73 M-J. EPIC 212036875 b falls close to the theoretical model for mature H/He dominated objects in this diagram as determined by interior structure models. We argue that EPIC 212036875 b formed via gravitational disc instabilities in the outer part of the disc, followed by a quick migration. Orbital tidal circularisation may have started early in its history for a brief period when the brown dwarf's radius was larger. The lack of spin-orbit synchronisation points to a weak stellar dissipation parameter (Q(star)' greater than or similar to 10(8)), which implies a circularisation timescale of greater than or similar to 23 Gyr, or suggests an interaction between the magnetic and tidal forces of the star and the brown dwarf. | |
| 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 |
| 650 | 7 | a NATURVETENSKAPx Fysikx Annan fysik0 (SwePub)103992 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Other Physics Topics0 (SwePub)103992 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
| 653 | a stars: individual: EPIC 212036875 | |
| 653 | a techniques: photometric | |
| 653 | a stars: fundamental parameters | |
| 653 | a planetary systems | |
| 653 | a techniques: radial velocities | |
| 653 | a planetary systems | |
| 653 | a stars: fundamental parameters | |
| 653 | a stars: individual: EPIC 212036875 | |
| 653 | a techniques: photometric | |
| 653 | a techniques: radial velocities | |
| 653 | a Astrophysics - Earth and Planetary Astrophysics | |
| 700 | 1 | a Csizmadia, Szilardu Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Mustill, Alexander J.u Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science4 aut0 (Swepub:lu)astr-amu |
| 700 | 1 | a Fridlund, Malcolm,d 1952u Chalmers tekniska högskola,Chalmers University of Technology,Universiteit Leiden (UL),Leiden University (UL)4 aut0 (Swepub:cth)malfri |
| 700 | 1 | a Hatzes, Artie P.u Thüringer Landessternwarte Tautenburg4 aut |
| 700 | 1 | a Nowak, Grzegorzu Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Georgieva, Iskra,d 1987u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)iskrag |
| 700 | 1 | a Gandolfi, Davideu Universita degli Studi di Torino,University of Turin4 aut |
| 700 | 1 | a Davies, Melvyn B.u Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science4 aut0 (Swepub:lu)astr-mda |
| 700 | 1 | a Livingston, John H.u University of Tokyo, Japan4 aut |
| 700 | 1 | a Palle, Enricu Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Montanes Rodriguez, Pilaru Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Endl, Michaelu The University of Texas at Austin, USA4 aut |
| 700 | 1 | a Hirano, Teruyukiu Tokyo Institute of Technology4 aut |
| 700 | 1 | a Prieto-Arranz, Jorgeu Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut |
| 700 | 1 | a Korth, Judithu Universität zu Köln,University of Cologne4 aut0 (Swepub:lu)ju7237ko |
| 700 | 1 | a Grziwa, Saschau Universität zu Köln,University of Cologne4 aut |
| 700 | 1 | a Esposito, Massimilianou Thüringer Landessternwarte Tautenburg4 aut |
| 700 | 1 | a Albrecht, Simonu Århus Universitet,Aarhus University4 aut |
| 700 | 1 | a Johnson, Marshall C.u Ohio State University4 aut |
| 700 | 1 | a Barragan, Oscaru Universita degli Studi di Torino,University of Turin,University Of Oxford4 aut |
| 700 | 1 | a Parviainen, Hannuu Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut |
| 700 | 1 | a Van Eylen, Vincentu Princeton University4 aut |
| 700 | 1 | a Alonso Sobrino, Roiu Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut |
| 700 | 1 | a Beck, Paul G.u Karl-Franzens-Universität Graz,Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Cabrera, Juanu Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Carleo, Ilariau Wesleyan University4 aut |
| 700 | 1 | a Cochran, William D.u The University of Texas at Austin, USA4 aut |
| 700 | 1 | a Dai, Feiu Massachusetts Institute of Technology (MIT),Princeton University4 aut |
| 700 | 1 | a Deeg, Hans J.u Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut |
| 700 | 1 | a de Leon, Jerome P.u University of Tokyo, Japan4 aut |
| 700 | 1 | a Eigmueller, Philippu Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Erikson, Andersu Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Fukui, Akaiu National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Gonzalez-Cuesta, Luciau Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Guenther, Eike W.u Thüringer Landessternwarte Tautenburg4 aut |
| 700 | 1 | a Hidalgo, Diegou Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut |
| 700 | 1 | a Hjorth, Mariau Århus Universitet,Aarhus University4 aut |
| 700 | 1 | a Kabath, Petru Czech Academy of Sciences4 aut |
| 700 | 1 | a Knudstrup, Emilu Århus Universitet,Aarhus University4 aut |
| 700 | 1 | a Kusakabe, Nobuhikou National Institutes of Natural Sciences (NINS)4 aut |
| 700 | 1 | a Lam, Kristine W. F.u Technische Universität Berlin4 aut |
| 700 | 1 | a Lund, Mikkel N.u Århus Universitet,Aarhus University4 aut |
| 700 | 1 | a Luque, Rafaelu Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Mathur, Savitau Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Murgas, Felipeu Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Narita, Noriou University of Tokyo, Japan,National Institutes of Natural Sciences (NINS),Japan Science and Technology Agency (JST),Instituto de Astrofísica de Canarias4 aut |
| 700 | 1 | a Nespral, Davidu Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna4 aut |
| 700 | 1 | a Niraula, Prajwalu Massachusetts Institute of Technology (MIT)4 aut |
| 700 | 1 | a Olofsson, Henrik,d 1972u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)henolo |
| 700 | 1 | a Paetzold, Martinu Universität zu Köln,University of Cologne4 aut |
| 700 | 1 | a Rauer, Heikeu Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR),Technische Universität Berlin4 aut |
| 700 | 1 | a Redfield, Sethu Wesleyan University4 aut |
| 700 | 1 | a Ribas, Ignasiu Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC),Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council4 aut |
| 700 | 1 | a Skarka, Mareku Czech Academy of Sciences,Masarykova Univerzita,Masaryk University4 aut |
| 700 | 1 | a Smith, Alexis M. S.u Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)4 aut |
| 700 | 1 | a Subjak, Janu Czech Academy of Sciences,Univerzita Karlova,Charles University4 aut |
| 700 | 1 | a Tamura, Motohideu University of Tokyo, Japan,National Institutes of Natural Sciences (NINS)4 aut |
| 710 | 2 | a Chalmers tekniska högskolab Deutsches Zentrums für Luft- und Raumfahrt (DLR)4 org |
| 773 | 0 | t Astronomy and Astrophysicsd : EDP Sciencesg 628q 628x 0004-6361x 1432-0746 |
| 856 | 4 | u https://research.chalmers.se/publication/519234/file/519234_Fulltext.pdfx primaryx freey FULLTEXT |
| 856 | 4 | u https://www.aanda.org/articles/aa/pdf/2019/08/aa35505-19.pdf |
| 856 | 4 | u https://arxiv.org/abs/1906.05048x freey FULLTEXT |
| 856 | 4 | u http://dx.doi.org/10.1051/0004-6361/201935505x freey FULLTEXT |
| 856 | 4 8 | u https://research.chalmers.se/publication/519234 |
| 856 | 4 8 | u https://research.chalmers.se/publication/511937 |
| 856 | 4 8 | u https://research.chalmers.se/publication/511694 |
| 856 | 4 8 | u https://doi.org/10.1051/0004-6361/201935505 |
| 856 | 4 8 | u https://lup.lub.lu.se/record/b180c7b0-c45c-4c33-bb07-72b475cd7482 |
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