Planetary Systems; planets and satellites: detection; (stars:) planetary systems
Abstract :
[en] We report the discovery of four transiting hot Jupiters, WASP-147, WASP-160B, WASP-164 and WASP-165 from the WASP survey. WASP-147b is a near Saturn-mass (M[SUB]P[/SUB] = 0.28M[SUB]J[/SUB]) object with a radius of 1.11 R[SUB]J[/SUB] orbiting a G4 star with a period of 4.6 d. WASP-160Bb has a mass and radius (M[SUB]p[/SUB] = 0.28 M[SUB]J[/SUB], R[SUB]p[/SUB] = 1.09 R[SUB]J[/SUB]) near-identical to WASP-147b, but is less irradiated, orbiting a metal-rich ([Fe/H][SUB]*[/SUB] = 0.27) K0 star with a period of 3.8 d. WASP-160B is part of a near equal-mass visual binary with an on-sky separation of 28.5 arcsec. WASP-164b is a more massive (M[SUB]P[/SUB] = 2.13 M[SUB]J[/SUB], R[SUB]p[/SUB] = 1.13 R[SUB]J[/SUB]) hot Jupiter, orbiting a G2 star on a close-in (P = 1.8 d), but tidally stable orbit. WASP-165b is a classical (M[SUB]p[/SUB] = 0.66 M[SUB]J[/SUB], R[SUB]P[/SUB] = 1.26 R[SUB]J[/SUB]) hot Jupiter in a 3.5 d period orbit around a metal-rich ([Fe/H][SUB]*[/SUB] = 0.33) star. WASP-147b and WASP-160Bb are promising targets for atmospheric characterization through transmission spectroscopy, while WASP-164b presents a good target for emission spectroscopy.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Lendl, M. ; Space Research Institute, Austrian Academy of Sciences, Schmiedlstr. 6, 8042 Graz, Austria ; Observatoire de Genève, Université de Genève, Chemin des maillettes 51, 1290 Sauverny, Switzerland
Anderson, D. R. ; Astrophysics Group, Keele University, Staffordshire, ST5 5BG, UK
Bonfanti, Andrea ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie
Bouchy, F.; Observatoire de Genève, Université de Genève, Chemin des maillettes 51, 1290 Sauverny, Switzerland
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
Delrez, Laetitia ; Cavendish Laboratory, J J Thomson Avenue, Cambridge, CB3 0HE, UK ; Space sciences, Technologies and Astrophysics Research (STAR) Institute, Université de Liège, Allée du 6 Août 17, 4000 Liège, Belgium
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)
Maxted, P. F. L.; Astrophysics Group, Keele University, Staffordshire, ST5 5BG, UK
Nielsen, L. Dyregaard; Observatoire de Genève, Université de Genève, Chemin des maillettes 51, 1290 Sauverny, Switzerland
Pepe, F.; Observatoire de Genève, Université de Genève, Chemin des maillettes 51, 1290 Sauverny, Switzerland
Pollacco, D.; Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
Queloz, D.; Observatoire de Genève, Université de Genève, Chemin des maillettes 51, 1290 Sauverny, Switzerland ; Cavendish Laboratory, J J Thomson Avenue, Cambridge, CB3 0HE, UK
Ségransan, D.; Observatoire de Genève, Université de Genève, Chemin des maillettes 51, 1290 Sauverny, Switzerland
Southworth, J.; Astrophysics Group, Keele University, Staffordshire, ST5 5BG, UK
Smalley, B.; Astrophysics Group, Keele University, Staffordshire, ST5 5BG, UK
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