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Qatar-1bn : a hot Jupiter orbiting a metal-rich K dwarf star

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Alsubai, K. A., Parley, N. R., Bramich, D. M., West, Richard G., Sorensen, P. M., Collier Cameron, A., Latham, D. W., Horne, K., Anderson, D. R., Bakos, G. Á. et al.
(2011) Qatar-1bn : a hot Jupiter orbiting a metal-rich K dwarf star. Monthly Notices of the Royal Astronomical Society, Volume 417 (Number 1). pp. 709-716. doi:10.1111/j.1365-2966.2011.19316.x

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Official URL: http://dx.doi.org/10.1111/j.1365-2966.2011.19316.x

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Abstract

We report the discovery and initial characterization of Qatar-1b, a hot Jupiter-orbiting metal-rich K dwarf star, the first planet discovered by the Qatar Exoplanet Survey. We describe the strategy used to select candidate transiting planets from photometry generated by the Qatar Exoplanet Survey camera array. We examine the rate of astrophysical and other false positives found during the spectroscopic reconnaissance of the initial batch of candidates. A simultaneous fit to the follow-up radial velocities and photometry of Qatar-1b yields a planetary mass of 1.09 ± 0.08 MJ and a radius of 1.16 ± 0.05 RJ. The orbital period and separation are 1.420 033 ± 0.000 016 d and 0.023 43 ± 0.000 26 au for an orbit assumed to be circular. The stellar density, effective temperature and rotation rate indicate an age greater than 4 Gyr for the system.

Item Type: Journal Article
Divisions: Faculty of Science > Physics
Journal or Publication Title: Monthly Notices of the Royal Astronomical Society
Publisher: Wiley
ISSN: 0035-8711
Official Date: 11 October 2011
Dates:
DateEvent
11 October 2011Published
Volume: Volume 417
Number: Number 1
Page Range: pp. 709-716
DOI: 10.1111/j.1365-2966.2011.19316.x
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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