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WASP-186 and WASP-187: two hot Jupiters discovered by SuperWASP and SOPHIE with additional observations by TESS

Authors :
François Bouchy
I. Boisse
Don Pollacco
Richard G. West
N. Schanche
Olivier Demangeon
D. J. A. Brown
Carole A. Haswell
Pierre F. L. Maxted
Ulrich Kolb
T Lopez
A. Collier Cameron
Coel Hellier
Peter J. Wheatley
S. Dalal
Barry Smalley
Guillaume Hébrard
T. G. Wilson
University of St Andrews. University of St Andrews
University of St Andrews. St Andrews Centre for Exoplanet Science
University of St Andrews. School of Physics and Astronomy
Institut d'Astrophysique de Paris (IAP)
Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)
Laboratoire d'Astrophysique de Marseille (LAM)
Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)
Source :
Monthly Notices of the Royal Astronomical Society, Monthly Notices of the Royal Astronomical Society, 2020, 499, pp.428-440. ⟨10.1093/mnras/staa2848⟩
Publication Year :
2020
Publisher :
arXiv, 2020.

Abstract

We present the discovery of two new hot Jupiters identified from the WASP survey, WASP-186b and WASP-187b (TOI-1494.01 and TOI-1493.01). Their planetary nature was established from SOPHIE spectroscopic observations, and additional photometry was obtained from TESS. Stellar parameters for the host stars are derived from spectral line, IRFM, and isochrone placement analyses. These parameters are combined with the photometric and radial velocity data in an MCMC method to determine the planetary properties. WASP-186b is a massive Jupiter (4.22 +/- 0.18 M_J, 1.11 +/-0.03 R_J) orbiting a mid-F star on a 5.03 day eccentric (e=0.327 +/- 0.008) orbit. WASP-187b is a low density (0.80 +/- 0.09 M_J, 1.64 +/- 0.05 R_J) planet in a 5.15 day circular orbit around a slightly evolved early F-type star.<br />Comment: 7 pages, 2 appendices

Details

ISSN :
00358711 and 13652966
Database :
OpenAIRE
Journal :
Monthly Notices of the Royal Astronomical Society, Monthly Notices of the Royal Astronomical Society, 2020, 499, pp.428-440. ⟨10.1093/mnras/staa2848⟩
Accession number :
edsair.doi.dedup.....09c662db35eb6a03886a4ef4ae72df79
Full Text :
https://doi.org/10.48550/arxiv.2010.15205