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Title:
WASP-92b, WASP-93b and WASP-118b: three new transiting close-in giant planets
Authors:
Hay, K. L.; Collier-Cameron, A.; Doyle, A. P.; Hébrard, G.; Skillen, I.; Anderson, D. R.; Barros, S. C. C.; Brown, D. J. A.; Bouchy, F.; Busuttil, R.; Delorme, P.; Delrez, L.; Demangeon, O.; Díaz, R. F.; Gillon, M.; Gómez Maqueo Chew, Y.; Gonzàlez, E.; Hellier, C.; Holmes, S.; Jarvis, J. F.; Jehin, E.; Joshi, Y. C.; Kolb, U.; Lendl, M.; Maxted, P. F. L.; McCormac, J.; Miller, G. R. M.; Mortier, A.; Pallé, E.; Pollacco, D.; Prieto-Arranz, J.; Queloz, D.; Ségransan, D.; Simpson, E. K.; Smalley, B.; Southworth, J.; Triaud, A. H. M. J.; Turner, O. D.; Udry, S.; Vanhuysse, M.; West, R. G.; Wilson, P. A.
Affiliation:
AA(SUPA, School of Physics and Astronomy, University of St Andrews, Fife KY16 9SS, UK ), AB(SUPA, School of Physics and Astronomy, University of St Andrews, Fife KY16 9SS, UK), AC(Department of Physics, University of Warwick, Coventry CV4 7AL, UK), AD(Institut d'Astrophysique de Paris, UMR 7095 CNRS, Université Pierre & Marie Curie, F-75000 Paris, France), AE(Isaac Newton Group of Telescopes, Apartado de Correos 321, Santa Cruz de La Palma, E-38700, Spain), AF(Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK), AG(Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto, CAUP, Rua das Estrelas, P-4150-762 Porto, Portugal), AH(SUPA, School of Physics and Astronomy, University of St Andrews, Fife KY16 9SS, UK; Department of Physics, University of Warwick, Coventry CV4 7AL, UK), AI(Aix Marseille Université, CNRS, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326, F-13388 Marseille, France), AJ(Department of Physical Sciences, The Open University, Milton Keynes MK7 6AA, UK), AK(SUPA, School of Physics and Astronomy, University of St Andrews, Fife KY16 9SS, UK; Université Grenoble Alpes, CNRS, IPAG, F-38000 Grenoble, France), AL(Institut d'Astrophysique et Géophysique, Université de Liège, allée du 6 Août 17, B-4000 Liège, Belgium), AM(Aix Marseille Université, CNRS, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326, F-13388 Marseille, France), AN(Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland), AO(Institut d'Astrophysique et Géophysique, Université de Liège, allée du 6 Août 17, B-4000 Liège, Belgium), AP(Instituto de Astronomía, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, 04510, México), AQ(Observatori Astronómic de Mallorca, Camí de l'Observatori s/n, E-07144 Costitx, Mallorca, Spain), AR(Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK), AS(Department of Physical Sciences, The Open University, Milton Keynes MK7 6AA, UK), AT(Department of Physical Sciences, The Open University, Milton Keynes MK7 6AA, UK), AU(Aix Marseille Université, CNRS, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326, F-13388 Marseille, France), AV(Astrophysics Research Centre, School of Mathematics & Physics, Queen's University, Belfast BT7 1NN, UK; Aryabhatta Research Institute of Observational Sciences (ARIES), Manora peak, Nainital 263002, India), AW(Department of Physical Sciences, The Open University, Milton Keynes MK7 6AA, UK), AX(Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland; Space Research Institute, Austrian Academy of Sciences, Schmeidlerstr. 6, A-8042 Graz, Austria), AY(Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK), AZ(Department of Physics, University of Warwick, Coventry CV4 7AL, UK), BA(SUPA, School of Physics and Astronomy, University of St Andrews, Fife KY16 9SS, UK; Department of Physics, University of Oxford, Keble Road, Oxford OX1 3RH, UK), BB(SUPA, School of Physics and Astronomy, University of St Andrews, Fife KY16 9SS, UK), BC(Instituto de Astrofísica de Canarias (IAC), Vía Láctea s/n, E-38205 La Laguna, Spain; Departamento de Astrofísica, Universidad de La Laguna, E-38205 La Laguna, Tenerife, Spain), BD(Department of Physics, University of Warwick, Coventry CV4 7AL, UK), BE(Instituto de Astrofísica de Canarias (IAC), Vía Láctea s/n, E-38205 La Laguna, Spain; Departamento de Astrofísica, Universidad de La Laguna, E-38205 La Laguna, Tenerife, Spain), BF(Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK), BG(Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland), BH(Astrophysics Research Centre, School of Mathematics & Physics, Queen's University, Belfast BT7 1NN, UK), BI(Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK), BJ(Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK), BK(Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland; Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK), BL(Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK), BM(Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, CH-1290 Sauverny, Switzerland), BN(OverSky, 47 allée des Palanques, BP 12, F-33127, Saint-Jean d'Illac, France), BO(Department of Physics, University of Warwick, Coventry CV4 7AL, UK), BP(Institut d'Astrophysique de Paris, UMR 7095 CNRS, Université Pierre & Marie Curie, F-75000 Paris, France)
Publication:
Monthly Notices of the Royal Astronomical Society, Volume 463, Issue 3, p.3276-3289 (MNRAS Homepage)
Publication Date:
12/2016
Origin:
OUP
Astronomy Keywords:
techniques: photometric, techniques: radial velocities, planets and satellites: detection, planet-star interactions, planetary systems
Abstract Copyright:
2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society
DOI:
10.1093/mnras/stw2090
Bibliographic Code:
2016MNRAS.463.3276H

Abstract

We present the discovery of three new transiting giant planets, first detected with the WASP telescopes, and establish their planetary nature with follow up spectroscopy and ground-based photometric light curves. WASP-92 is an F7 star, with a moderately inflated planet orbiting with a period of 2.17 d, which has Rp = 1.461 ± 0.077RJ and Mp = 0.805 ± 0.068MJ. WASP-93b orbits its F4 host star every 2.73 d and has Rp = 1.597 ± 0.077RJ and Mp = 1.47 ± 0.029MJ. WASP-118b also has a hot host star (F6) and is moderately inflated, where Rp = 1.440 ± 0.036RJ and Mp = 0.514 ± 0.020MJ and the planet has an orbital period of 4.05 d. They are bright targets (V = 13.18, 10.97 and 11.07, respectively) ideal for further characterization work, particularly WASP-118b, which is being observed by K2 as part of campaign 8. The WASP-93 system has sufficient angular momentum to be tidally migrating outwards if the system is near spin-orbit alignment, which is divergent from the tidal behaviour of the majority of hot Jupiters discovered.
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