WASP-167b/KELT-13b: joint discovery of a hot Jupiter transiting a rapidly rotating F1V star
- Temple, L. Y.
- Hellier, C.
- Albrow, M. D.
- Anderson, D. R.
- Bayliss, D.
- Beatty, T. G.
- Bieryla, A.
- Brown, D. J. A.
- Cargile, P. A.
- Collier Cameron, A.
- Collins, K. A.
- Colon, K. D.
- Curtis, I. A.
- D'Ago, G.
- Delrez, L.
- Eastman, J.
- Gaudi, B. S.
- Gillon, M.
- Gregorio, J.
- James, D.
- Jehin, E.
- Joner, M. D.
- Kielkopf, J. F.
- Kuhn, R. B.
- Labadie-Bartz, J.
- Latham, D. W.
- Lendl, M.
- Lund, M. B.
- Malpas, A. L.
- Maxted, P. F. L.
- Myers, G.
- Oberst, T. E.
- Pepe, F.
- Pepper, J.
- Pollacco, D.
- Queloz, D.
- Rodriguez, J. E.
- Segransan, D.
- Siverd, R. J.
- Smalley, B.
- Stassun, K. G.
- Stevens, D. J.
- Stockdale, C.
- Tan, T. G.
- Triaud, A. H. M. J.
- Udry, S.
- Villanueva, S.
- West, R. G.
- Zhou, G.
DOIAbstract
We report the jointWASP/KELT discovery ofWASP-167b/KELT-13b, a transiting hot Jupiter with a 2.02-d orbit around a V = 10.5, F1V star with [Fe/H] = 0.1 ± 0.1. The 1.5 RJup planet was confirmed by Doppler tomography of the stellar line profiles during transit. We place a limit of < 8 MJup on its mass. The planet is in a retrograde orbit with a sky-projected spin-orbit angle of λ=-165° ±5°. This is in agreement with the known tendency for orbits around hotter stars to be more likely to be misaligned. WASP-167/KELT-13 is one of the few systems where the stellar rotation period is less than the planetary orbital period. We find evidence of non-radial stellar pulsations in the host star, making it a δ-Scuti or γ -Dor variable. The similarity to ...
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