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WASP-10b: a 3MJ, gas-giant planet transiting a late-type K star

Christian, D. J.; Gibson, N. P.; Simpson, E. K.; Street,, R. A.; Skillen, I.; Pollacco, D.; Collier Cameron, A.; Joshi, Y. C.; Keenan, F. P; Stempels, H. C.; Haswell, C. A.; Horne, K.; Anderson, D. R.; Bentley, S.; Bouchy, F.; Clarkson, W. I.; Enoch, B.; Hebb, L.; Hébrard, G.; Hellier, C.; Irwin, J.; Kane, S. R.; Lister, T. A.; Loeillet, B.; Maxted, P.; Mayor, M.; McDonald., I.; Moutou, C.; Norton, A. J.; Parley, N.; Pont, F.; Queloz, D.; Ryans,, R.; Smalley, B.; Smith, A. M. S.; Todd, I.; Udry, S.; West, R. G.; Wheatley, P. J. and Wilson, D. M. (2009). WASP-10b: a 3MJ, gas-giant planet transiting a late-type K star. Monthly Notices of the Royal Astronomical Society, 392(4) pp. 1585–1590.

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We report the discovery of WASP-10b, a new transiting extrasolar planet (ESP) discovered by the Wide Angle Search for Planets (WASP) Consortium and confirmed using Nordic Optical Telescope FIbre-fed Echelle Spectrograph and SOPHIE radial velocity data. A 3.09-d period, 29 mmag transit depth and 2.36 h duration are derived for WASP-10b using WASP and high-precision photometric observations. Simultaneous fitting to the photometric and radial velocity data using a Markov Chain Monte Carlo procedure leads to a planet radius of 1.28RJ , a mass of 2.96MJ and eccentricity of ?0.06. WASP-10b is one of the more massive transiting ESPs, and we compare its characteristics to the current sample of transiting ESP, where there is currently little information for masses greater than ? 2MJ and non-zero eccentricities. WASP-10's host star, GSC 2752?00114 (USNO-B1.0?1214?0586164) is among the fainter stars in the WASP sample, with V= 12.7 and a spectral type of K5. This result shows promise for future late-type dwarf star surveys.

Item Type: Journal Item
Copyright Holders: 2008 The Authors, 2008 RAS
ISSN: 1365-2966
Extra Information: Click here to view other publications available on this repository relating to the SuperWASP Project.
Keywords: methods: data analysis; techniques: photometric; techniques: radial velocities; stars: planetary systems;
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 13156
Depositing User: Andrew Norton
Date Deposited: 16 Feb 2009 10:12
Last Modified: 07 Dec 2018 19:18
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