Journal
ASTRONOMY & ASTROPHYSICS
Volume 585, Issue -, Pages -Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361/201527276
Keywords
planetary systems; stars: individual: WASP-76; stars: individual: WASP-82; stars: individual: WASP-90
Categories
Funding
- UK's Science and Technology Facilities Council
- Belgian Fund for Scientific Research (Fond National de la Recherche Scientifique, FNRS) [FRFC 2.5.594.09.F]
- Science and Technology Facilities Council [ST/K006126/1, ST/J001651/1, PP/F000065/1, ST/J000027/1, ST/H005307/1, ST/M001296/1, ST/J00152X/1, ST/I001719/1] Funding Source: researchfish
- STFC [PP/D000955/1, ST/M001296/1, PP/F000057/1, ST/J00152X/1, ST/H005307/1, ST/G002355/1, PP/F000073/1, PP/F000065/1, ST/J000035/1, ST/J001384/1, ST/K006126/1, ST/J000027/1, ST/J001651/1, ST/I001719/1, ST/M001040/1, ST/L000733/1] Funding Source: UKRI
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We report on three new transiting hot Jupiter planets, discovered from the WASP surveys, which we combine with radial velocities from OHP/ SOPHIE and Euler/CORALIE and photometry from Euler and TRAPPIST. The planets WASP-76b, WASP-82b, and WASP-90b are all inflated, with radii of 1.7-1.8 R-Jup. All three orbit hot stars, of type F5-F7, with orbits of 1.8-3.9 d, and all three stars have evolved, post-main-sequence radii (1.7-2.2 R-circle dot). Thus the three planets fit a known trend of hot Jupiters that receive high levels of irradiation being highly inflated. We caution, though, about the presence of a selection effect, in that non-inflated planets around similar to 2 R-circle dot post-MS stars can often produce transits too shallow to be detected by the ground-based surveys that have found the majority of transiting hot Jupiters.
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