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http://inaoe.repositorioinstitucional.mx/jspui/handle/1009/1918| The first planet detected in the WTS: an inflated hot-Jupiter in a 3.35 day orbit around a late F-star⋆ | |
| Carlos del Burgo Díaz | |
| Acceso Abierto | |
| Atribución-NoComercial-SinDerivadas | |
| Extrasolar planet Hot-Jupiter Radius anomaly | |
| We report the discovery of WTS-1b, the first extrasolar planet found by the WFCAM Transit Survey, which began observations at the 3.8-m United Kingdom Infrared Telescope. Light curves comprising almost 1200 epochs with a photometric precision of better than 1 per cent to J ∼ 16 were constructed for ∼ 60 000 stars and searched for periodic transit signals. For one of the most promising transiting candidates, high-resolution spectra taken at the Hobby-Eberly Telescope allowed us to estimate the spectroscopic parameters of the host star, a late-F main sequence dwarf (V=16.13) with possibly slightly subsolar metallicity, and to measure its radial velocity variations. The combined analysis of the light curves and spectroscopic data resulted in an orbital period of the substellar companion of 3.35 days, a planetary mass of 4.01±0.35Mᴊ, and a planetary radius of 1.49⁺⁰·¹⁶₋₀․₁₈ Rᴊ .WTS-1b has one of the largest radius anomalies among the known hot Jupiters in the mass range 3-5Mᴊ. | |
| Monthly Notices of the Royal Astronomical Society | |
| 03-10-2012 | |
| Artículo | |
| Inglés | |
| Estudiantes Investigadores Público en general | |
| Cappetta, M†., et al., (2012), The first planet detected in the WTS: an inflated hot-Jupiter in a 3.35 day orbit around a late F-star⋆, Monthly Notices of the Royal Astronomical Society, Vol. 427(2012):1-15 | |
| ASTRONOMÍA Y ASTROFÍSICA | |
| Versión aceptada | |
| acceptedVersion - Versión aceptada | |
| Aparece en las colecciones: | Artículos de Astrofísica |
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| 7 Burgo_2012_MNRAS 420.pdf | 1.68 MB | Adobe PDF | Visualizar/Abrir |