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WASP-54b, WASP-56b, and WASP-57b: Three new sub-Jupiter mass planets from SuperWASP

Faedi, F; Pollacco, D; Barros, S C C; Brown, D; Collier Cameron, Andrew; Doyle, A P; Enoch, R; Gillon, M; Gómez Maqueo Chew, Y; Haswell, C; Bento (Da Silva Bento), Joao


We present three newly discovered sub-Jupiter mass planets from the SuperWASP survey: WASP-54b is a heavily bloated planet of mass 0.636+0.025-0.024MJ and radius 1.653+0.090-0.083RJ. It orbits a F9 star, evolving off the main sequence, every 3.69 days. Our MCMC fit of the system yields a slightly eccentric orbit (e = 0.067+0.033-0.025) for WASP-54b. We investigated further the veracity of our detection of the eccentric orbit for WASP-54b, and we find that it could be real. However, given the...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201220520
Access Rights: Open Access


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