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|Title:||Qatar-1b: A hot Jupiter orbiting a metal-rich K dwarf star|
|Authors:||Collier Cameron A.|
Brown, D. J. A.
Miller, G. M.
Bramich, D. M.
West, R. G.
Sorensen, P. M.
Latham, D. W.
Bakos, G. Á.
Esquerdo, G. A.
Hartman, J. D.
Quinn, S. N.
Stefanik, R. P.
Anderson, D. R.
Buchhave, L. A.
Everett, M. E.
Smith, J. C.
|Publisher:||Oxford University Press (OUP)|
|Citation:||Monthly Notices of the Royal Astronomical Society , 2011, 417 (1), pp. 709-716|
|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.|
|Rights:||This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2011 the authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. Deposited with reference to the publisher’s archiving policy available on the SHERPA/RoMEO website.|
|Appears in Collections:||Published Articles, Dept. of Physics and Astronomy|
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