WASP-120 b, WASP-122 b, AND WASP-123 b:three newly discovered planets from the WASP-South survey
- Turner, O. D.
- Anderson, D. R.
- Cameron, Andrew Collier
- Delrez, L.
- Evans, D. F.
- Gillon, M.
- Hellier, C.
- Jehin, E.
- Lendl, M.
- Maxted, P. F. L.
- Pepe, F.
- Pollacco, D.
- Queloz, D.
- Ségransan, D.
- Smalley, B.
- Smith, A. M. S.
- Triaud, A. H. M. J.
- Udry, S.
- West, R. G.
Publication date
June 2016
DOIAbstract
We present the discovery by the WASP-South survey of three planets transiting moderately bright stars (V ≈ 11). WASP-120 b is a massive (4.85 M Jup) planet in a 3.6-day orbit that we find likely to be eccentric (e={0.059}-0.018+0.025) around an F5 star. WASP-122 b is a hot Jupiter (1.28 M Jup, 1.74 R Jup) in a 1.7-day orbit about a G4 star. Our predicted transit depth variation caused by the atmosphere of WASP-122 b suggests it is well suited to characterization. WASP-123 b is a hot Jupiter (0.90M Jup, 1.32 R Jup) in a 3.0-day orbit around an old (∼7 Gyr) G5 star
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