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WASP-7: A bright transiting-exoplanet system in the Southern Hemisphere

Hellier, Coel; Anderson, D. R.; Gillon, M.; Lister, T. A.; Maxted, P. F. L.; Queloz, D.; Smalley, B.; Triaud, A. H. M. J.; West, R. G.; Wilson, D. M.; Alsubai, K.; Bentley, S. J.; Collier Cameron, A.; Hebb, L.; Horne, K.; Irwin, J.; Kane, S. R.; Mayor, M.; Pepe, F.; Pollacco, D.; Skillen, I.; Udry, S.; Wheatley, P. J.; Christian, D. J.; Enoch, R.; Haswell, C. A.; Joshi, Y. C.; Norton, A. J.; Parley, N.; Ryans, R.; Street, R. A. and Todd, I. (2009). WASP-7: A bright transiting-exoplanet system in the Southern Hemisphere. The Astrophysical Journal, 690 L89-L91.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1088/0004-637X/690/1/L89
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Abstract

We report that a Jupiter-mass planet, WASP-7b, transits the V = 9.5 star HD 197286 every 4.95 d. This is the brightest discovery from the WASP-South transit survey so far and is currently the brightest transiting-exoplanet system in the southern hemisphere. WASP-7b is among the densest of the known Jupiter-mass planets, suggesting that it has a massive core. The planet mass is 0.96+0.12 '0.18 M Jup, the radius is 0.915+0.046 '0.040 R Jup, and the density is 1.26+0.25 '0.21 ?Jup (1.67+0.33 '0.28 g cm–3).

Item Type: Journal Item
Copyright Holders: 2009 The American Astronomical Society
ISSN: 1538-4357
Extra Information: Click here to view other publications available on this repository relating to the SuperWASP Project.
Keywords: stars: individual (WASP-7, HD 197286); 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: 12864
Depositing User: Astrid Peterkin
Date Deposited: 19 Jan 2009 08:41
Last Modified: 07 Dec 2018 12:01
URI: http://oro.open.ac.uk/id/eprint/12864
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