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WASP-92b, WASP-93b and WASP-118b: three new transiting close-in giant planets

  • K. L. Hay
  • , Andrew Collier Cameron
  • , A. P. Doyle
  • , G. Hébrard
  • , I. Skillen
  • , D. R. Anderson
  • , S. C. C. Barros
  • , D. J. A. Brown
  • , F. Bouchy
  • , R. Busuttil
  • , P. Delorme
  • , L. Delrez
  • , O. Demangeon
  • , R. F. Díaz
  • , M. Gillon
  • , E. Gonzàlez
  • , C. Hellier
  • , S. Holmes
  • , J. F. Jarvis
  • , E. Jehin
  • Y. C. Joshi, U. Kolb, M. Lendl, P. F. L. Maxted, J. McCormac, G. R. M. Miller, A. Mortier, D. Pollacco, D. Queloz, D. Ségransan, E. K. Simpson, B. Smalley, J. Southworth, A. H. M. J. Triaud, O. D. Turner, S. Udry, M. Vanhuysse, R. G. West, P. A. Wilson

Research output: Contribution to journalArticlepeer-review

Abstract

We present the discovery of three new transiting giant planets, first detected with the WASP telescopes, and establish their planetary nature with follow up spectroscopy and ground-based photometric lightcurves. WASP-92 is an F7 star, with a moderately inflated planet orbiting with a period of 2.17 days, which has Rp = 1.461 ± 0.077RJ and Mp = 0.805 ± 0.068MJ. WASP-93b orbits its F4 host star every 2.73 days and has Rp = 1.597 ± 0.077RJ and Mp = 1.47 ± 0.029MJ. WASP-118b also has a hot host star (F6) and is moderately inflated, where Rp = 1.440 ± 0.036RJ and Mp = 0.513 ± 0.041MJ and the planet has an orbital period of 4.05 days. They are bright targets (V = 13.18, 10.97 and 11.07 respectively) ideal for further characterisation work, particularly WASP-118b, which is being observed by K2 as part of campaign 8. WASP-93b is expected to be tidally migrating outwards, which is divergent from the tidal behaviour of the majority of hot Jupiters discovered.
Original languageEnglish
Pages (from-to)3276-3289
Number of pages14
JournalMonthly Notices of the Royal Astronomical Society
Volume463
Issue number3
Early online date24 Aug 2016
DOIs
Publication statusPublished - 11 Dec 2016

Keywords

  • Techniques: photometric
  • Techniques: radial velocities
  • Planets and satellites: detection
  • Planet-star interactions
  • Planetary systems

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