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WASP-120b, WASP-122b and WASP-123b: Three newly discovered planets from the WASP-South survey

Authors
  • Turner, O. D.
  • Anderson, D. R.
  • Cameron, A. Collier
  • Delrez, L.
  • Gillon, M.
  • Hellier, C.
  • Jehin, E.
  • Lendl, M.
  • Maxted, P. F. L.
  • Pepe, F.
  • Pollacco, D.
  • Queloz, D.
  • Sègransan, D.
  • Smalley, B.
  • Smith, A. M. S.
  • Triaud, A. H. M. J.
  • Udry, S.
  • West, R. G.
Type
Preprint
Publication Date
Mar 07, 2016
Submission Date
Sep 07, 2015
Identifiers
DOI: 10.1088/1538-3873/128/964/064401
Source
arXiv
License
Yellow
External links

Abstract

We present the discovery by the WASP-South survey of three planets transiting moderately bright stars (V ~ 11). WASP-120b is a massive (5.0MJup) planet in a 3.6-day orbit that we find likely to be eccentric (e = 0.059+0.025-0.018) around an F5 star. WASP-122b is a hot-Jupiter (1.37MJup, 1.79RJup) in a 1.7-day orbit about a G4 star. Our predicted transit depth variation cause by the atmosphere of WASP-122b suggests it is well suited to characterisation. WASP-123b is a hot-Jupiter (0.92MJup, 1.33RJup) in a 3.0-day orbit around an old (~ 7 Gyr) G5 star.

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