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Five transiting hot Jupiters discovered using WASP-South, Euler, and TRAPPIST : WASP-119 b, WASP-124 b, WASP-126 b, WASP-129 b, and WASP-133 b

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Date
07/2016
Author
Maxted, P. F. L.
Anderson, D. R.
Collier Cameron, A.
Delrez, L.
Gillon, M.
Hellier, C.
Jehin, E.
Lendl, M.
Neveu-VanMalle, M.
Pepe, F.
Pollacco, D.
Queloz, D.
Ségransan, D.
Smalley, B.
Smith, A. M. S.
Southworth, J.
Triaud, A. H. M. J.
Udry, S.
Wagg, T.
West, R. G.
Keywords
Planetary systems
QB Astronomy
QC Physics
Astronomy and Astrophysics
Space and Planetary Science
NDAS
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Abstract
We have used photometry from the WASP-South instrument to identify 5 stars showing planet-like transits in their light curves. The planetary nature of the companions to these stars has been confirmed using photometry from the EulerCam instrument on the Swiss Euler 1.2-m telescope and the TRAPPIST telescope, and spectroscopy obtained with the CORALIE spectrograph. The planets discovered are hot Jupiter systems with orbital periods in the range 2.17 to 5.75 days, masses from 0.3 MJup to 1.2 MJup and with radii from 1 RJup to 1.5 RJup. These planets orbit bright stars (V = 11-13) with spectral types in the range F9 to G4. WASP-126 is the brightest planetary system in this sample and hosts a low-mass planet with a large radius (0.3 MJup,0.95 RJup), making it a good target for transmission spectroscopy. The high density of WASP-129 A suggests that it is a helium-rich star similar to HAT-P-11 A. WASP-133 A has an enhanced surface lithium abundance compared to other old G-type stars, particularly other planet host stars. These planetary systems are good targets for follow-up observations with ground-based and space-based facilities to study their atmospheric and dynamical properties.
Citation
Maxted , P F L , Anderson , D R , Collier Cameron , A , Delrez , L , Gillon , M , Hellier , C , Jehin , E , Lendl , M , Neveu-VanMalle , M , Pepe , F , Pollacco , D , Queloz , D , Ségransan , D , Smalley , B , Smith , A M S , Southworth , J , Triaud , A H M J , Udry , S , Wagg , T & West , R G 2016 , ' Five transiting hot Jupiters discovered using WASP-South, Euler, and TRAPPIST : WASP-119 b, WASP-124 b, WASP-126 b, WASP-129 b, and WASP-133 b ' , Astronomy & Astrophysics , vol. 591 , A55 , pp. 1-8 . https://doi.org/10.1051/0004-6361/201628250
Publication
Astronomy & Astrophysics
Status
Peer reviewed
DOI
https://doi.org/10.1051/0004-6361/201628250
ISSN
0004-6361
Type
Journal article
Rights
© ESO, 2016. This work is made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at: https://dx.doi.org/10.1051/0004-6361/201628250
Description
Funding for WASP comes from consortium universities and from the UK’s Science and Technology Facilities Council. TRAPPIST is funded by the Belgian Fund for Scientific Research (Fond National de la Recherche Scientifique, FNRS) under the grant FRFC 2.5.594.09.F, with the participation of the Swiss National Science Fundation (SNF). M. Gillon and E. Jehin are FNRS Research Associates.
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  • University of St Andrews Research
URL
http://www.scopus.com/inward/record.url?scp=84974588688&partnerID=8YFLogxK
URI
http://hdl.handle.net/10023/9049

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