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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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(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, 591 . A55. doi:10.1051/0004-6361/201628250
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Official URL: http://dx.doi.org/10.1051/0004-6361/201628250
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.
| Item Type: | Journal Article | ||||||||||
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| Subjects: | Q Science > QB Astronomy | ||||||||||
| Divisions: | Faculty of Science > Physics | ||||||||||
| Library of Congress Subject Headings (LCSH): | Extrasolar planets | ||||||||||
| Journal or Publication Title: | Astronomy & Astrophysics | ||||||||||
| Publisher: | EDP Sciences | ||||||||||
| ISSN: | 0004-6361 | ||||||||||
| Official Date: | July 2016 | ||||||||||
| Dates: |
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| Date of first compliant deposit: | 6 July 2016 | ||||||||||
| Volume: | 591 | ||||||||||
| Article Number: | A55 | ||||||||||
| DOI: | 10.1051/0004-6361/201628250 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||
| Funder: | Science and Technology Facilities Council (Great Britain) (STFC), Fonds national de la recherche scientifique (Belgium) (FNRS), Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung [Swiss National Science Foundation] (SNSF) | ||||||||||
| Grant number: | 2.5.594.09.F (FNRS) |
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