Three irradiated and bloated hot Jupiters: WASP-76b, WASP-82b, and WASP-90b
- West, R. G.
- Hellier, C.
- Almenara, J. -M.
- Anderson, D. R.
- Barros, S. C. C.
- Bouchy, F.
- Brown, D. J. A.
- Cameron, A. Collier
- Deleuil, M.
- Delrez, L.
- Doyle, A. P.
- Faedi, F.
- Fumel, A.
- Gillon, M.
- Chew, Y. Gomez Maqueo
- Hébrard, G.
- Jehin, E.
- Lendl, M.
- Maxted, P. F. L.
- Pepe, F.
- Pollacco, D.
- Queloz, D.
- Segransan, D.
- Smalley, B.
- Smith, A. M. S.
- Southworth, J.
- Triaud, A. H. M. J.
- Udry, S.
DOIAbstract
International audienceWe 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 trans...
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