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Three irradiated and bloated hot Jupiters: WASP-76b, WASP-82b, and WASP-90b

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Date
08/01/2016
Author
West, R. G.
Hellier, C.
Almenara, J.-M.
Anderson, D. R.
Barros, S. C. C.
Bouchy, F.
Brown, D. J. A.
Collier Cameron, A.
Deleuil, M.
Delrez, L.
Doyle, A. P.
Faedi, F.
Fumel, A.
Gillon, M.
Gómez Maqueo Chew, Y.
Hébrard, G.
Jehin, E.
Lendl, M.
Maxted, P. F. L.
Pepe, F.
Pollacco, D.
Queloz, D.
Ségransan, D.
Smalley, B.
Smith, A. M. S.
Southworth, J.
Triaud, A. H. M. J.
Udry, S.
Funder
Science & Technology Facilities Council
Science & Technology Facilities Council
Science & Technology Facilities Council
Grant ID
ST/M001296/1
ST/J001651/1
PP/F000065/1
Keywords
Planetary systems
Stars: individual: WASP-76
Stars: individual: WASP-82
Stars: individual: WASP-90
QB Astronomy
QC Physics
NDAS
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Abstract
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 RJup. 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⊙). 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 ~2 R⊙ 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.
Citation
West , R G , Hellier , C , Almenara , J-M , Anderson , D R , Barros , S C C , Bouchy , F , Brown , D J A , Collier Cameron , A , Deleuil , M , Delrez , L , Doyle , A P , Faedi , F , Fumel , A , Gillon , M , Gómez Maqueo Chew , Y , Hébrard , G , Jehin , E , Lendl , M , Maxted , P F L , Pepe , F , Pollacco , D , Queloz , D , Ségransan , D , Smalley , B , Smith , A M S , Southworth , J , Triaud , A H M J & Udry , S 2016 , ' Three irradiated and bloated hot Jupiters: WASP-76b, WASP-82b, and WASP-90b ' , Astronomy & Astrophysics , vol. 585 , A126 . https://doi.org/10.1051/0004-6361/201527276
Publication
Astronomy & Astrophysics
Status
Peer reviewed
DOI
https://doi.org/10.1051/0004-6361/201527276
ISSN
0004-6361
Type
Journal article
Rights
© ESO, 2016. This work is made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at http://dx.doi.org/10.1051/0004-6361/201527276
Collections
  • University of St Andrews Research
URL
http://adsabs.harvard.edu/abs/2013arXiv1310.5607W
URI
http://hdl.handle.net/10023/8147

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