WASP-120 b, WASP-122 b, AND WASP-123 b: three newly discovered planets from the WASP-South survey

O. D. Turner, D. R. Anderson, Andrew Collier Cameron, L. Delrez, D. F. Evans, M. Gillon, C. Hellier, E. Jehin, M. Lendl, P. F. L. Maxted, F. Pepe, D. Pollacco, D. Queloz, D. Ségransan, B. Smalley, A. M. S. Smith, A. H. M. J. Triaud, S. Udry, R. G. West

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11 Citations (Scopus)

Abstract

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.
Original languageEnglish
Article number64401
JournalPublications of the Astronomical Society of the Pacific
Volume128
Issue number964
Early online date17 May 2016
DOIs
Publication statusPublished - Jun 2016

Keywords

  • Planetary systems
  • Stars: individual (WASP-120, WASP-122, WASP-123)

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