期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 499, 期 1, 页码 428-440出版社
OXFORD UNIV PRESS
DOI: 10.1093/mnras/staa2848
关键词
planets and satellites: detection; planets and satellites: individual: WASP-186b; planets and satellites: individual: WASP-187b
资金
- NPRP grant from Qatar National Research Fund (a member of Qatar Foundation) [X-019-1-006]
- Science and Technology Facilities Council (STFC) [ST/R000824/1]
- United Kingdom Space Agency (UKSA) [ST/R003203/1]
- STFC [ST/P000495/1, ST/T000406/1, ST/T000295/1]
- Swiss National Science Foundation (SNSF)
- NASA Explorer Program
- National Aeronautics and Space Administration
- STFC [ST/T000406/1, ST/R000824/1, ST/T000295/1, ST/P000495/1] Funding Source: UKRI
We present the discovery of two new hot Jupiters identified from the Wide-Angle Search for Planets (WASP) survey, WASP186b 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 Transiting Exoplanet Survey Satellite. Stellar parameters for the host stars are derived from spectral line, infrared flux method, and isochrone placement analyses. These parameters are combined with the photometric and radial velocity data in a Markov chainMonteCarlo method to determine the planetary properties. WASP-186b is amassive Jupiter (4.22 +/- 0.18MJ, 1.11 +/- 0.03 R-J) orbiting amid-F star on a 5.03-d eccentric (e = 0.327 +/- 0.008) orbit. WASP187b is a low-density (0.80 +/- 0.09MJ, 1.64 +/- 0.05 RJ) planet in a 5.15-d circular orbit around a slightly evolved early F-type star.
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