Article (Scientific journals)
Three hot-Jupiters on the upper edge of the mass-radius distribution: WASP-177, WASP-181, and WASP-183
Turner, Oliver D.; Anderson, D. R.; Barkaoui, K. et al.
2019In Monthly Notices of the Royal Astronomical Society, 485, p. 5790-5799
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Keywords :
planets and satellites: detection; planets and satellites: individual: WASP-177b; planets and satellites: individual: WASP-181b; planets and satellites: individual: WASP-183b
Abstract :
[en] We present the discovery of three transiting planets from the WASP survey, two hot-Jupiters: WASP-177 b (˜0.5 M[SUB]Jup[/SUB], ˜1.6 R[SUB]Jup[/SUB]) in a 3.07-d orbit of a V = 12.6 K2 star, WASP-183 b (˜0.5 M[SUB]Jup[/SUB], ˜1.5 R[SUB]Jup[/SUB]) in a 4.11-d orbit of a V = 12.8 G9/K0 star; and one hot-Saturn planet WASP-181 b (˜0.3 M[SUB]Jup[/SUB], ˜1.2 R[SUB]Jup[/SUB]) in a 4.52-d orbit of a V = 12.9 G2 star. Each planet is close to the upper bound of mass-radius space and has a scaled semimajor axis, a/R[SUB]*[/SUB], between 9.6 and 12.1. These lie in the transition between systems that tend to be in orbits that are well aligned with their host-star's spin and those that show a higher dispersion.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Turner, Oliver D. ;  Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland
Anderson, D. R. ;  Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
Barkaoui, K.;  Space sciences, Technologies and Astrophysics Research (STAR) Institute, Université de Liège, Liège 1, Belgium ; Oukaimeden Observatory, High Energy Physics and Astrophysics Laboratory, Cadi Ayyad University, Marrakech, Morocco
Bouchy, F.;  Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland
Benkhaldoun, Z.;  Oukaimeden Observatory, High Energy Physics and Astrophysics Laboratory, Cadi Ayyad University, Marrakech, Morocco
Brown, D. J. A. ;  Department of Physics, University of Warwick, Coventry CV4 7AL, UK ; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
Burdanov, Artem ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Exotic
Collier Cameron, A. ;  SUPA, School of Physics and Astronomy, University of St. Andrews, North Haugh, Fife KY16 9SS, UK
Ducrot, Elsa ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Exotic
Gillon, Michaël  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Exotic
Hellier, C.;  Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
Jehin, Emmanuel  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)
Lendl, M. ;  Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland ; Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, A-8042 Graz, Austria
Maxted, P. F. L.;  Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
Nielsen, L. D.;  Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland
Pepe, F.;  Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland
Pollacco, D.;  Department of Physics, University of Warwick, Coventry CV4 7AL, UK ; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
Pozuelos Romero, Francisco José  ;  Space sciences, Technologies and Astrophysics Research (STAR) Institute, Université de Liège, Liège 1, Belgium
Queloz, D.;  Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland ; Cavendish Laboratory, J J Thomson Avenue, Cambridge CB3 0HE, UK
Ségransan, D.;  Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland
Smalley, B. ;  Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK
Triaud, A. H. M. J.;  School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Udry, S.;  Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland
West, R. G. ;  Department of Physics, University of Warwick, Coventry CV4 7AL, UK ; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
More authors (14 more) Less
Language :
English
Title :
Three hot-Jupiters on the upper edge of the mass-radius distribution: WASP-177, WASP-181, and WASP-183
Publication date :
01 June 2019
Journal title :
Monthly Notices of the Royal Astronomical Society
Volume :
485
Pages :
5790-5799
Peer reviewed :
Peer reviewed
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