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Independent Discovery of the Transiting Exoplanet HAT-P-14b
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2011 (English)In: Astronomical Journal, ISSN 0004-6256, E-ISSN 1538-3881, Vol. 141, no 5, 161- p.Article in journal (Refereed) Published
Abstract [en]

We present SuperWASP observations of HAT-P-14b, a hot Jupiter discovered by Torres et al. The planet was found independently by the SuperWASP team and named WASP-27b after follow-up observations had secured the discovery, but prior to the publication by Torres et al. Our analysis of HAT-P-14/WASP-27 is in good agreement with the values found by Torres et al. and we provide additional evidence against astronomical false positives. Due to the brightness of the host star, V-mag = 10, HAT-P-14b is an attractive candidate for further characterization observations. The planet has a high impact parameter and the primary transit is close to grazing. This could readily reveal small deviations in the orbital parameters indicating the presence of a third body in the system, which may be causing the small but significant orbital eccentricity. Our results suggest that the planet may undergo a grazing secondary eclipse. However, even a non-detection would tightly constrain the system parameters.

Place, publisher, year, edition, pages
2011. Vol. 141, no 5, 161- p.
Keyword [en]
planetary systems, stars: individual (HAT-P-14, WASP-27, GSC 3086-00152), techniques: photometric, techniques: spectroscopic
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Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-152923DOI: 10.1088/0004-6256/141/5/161ISI: 000289240800020OAI: oai:DiVA.org:uu-152923DiVA: diva2:414407
Available from: 2011-05-03 Created: 2011-05-03 Last updated: 2017-12-11Bibliographically approved

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Stempels, Henricus

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