Please use this identifier to cite or link to this item: http://hdl.handle.net/2381/19133
Title: WASP-25b: A 0.6M planet in the Southern hemisphere
Authors: Cameron, A. C.
Brown, D. J. A.
Parley, N.
Anderson, D. R.
Hellier, C.
Maxted, P. F. L.
Smalley, B.
Lister, T. A.
Street, R. A.
Queloz, D.
Triaud, A. H. M. J.
Gillon, M.
Lendl, M.
Pepe, F.
Segransan, D.
Udry, S.
West, R. G.
Gillon, M.
Hebb, L.
Pollacco, D.
Simpson, E.
First Published: 21-Jan-2011
Publisher: Oxford University Press (OUP)
Citation: Monthly Notices of the Royal Astronomical Society , 2011, 410 (3), pp. 1631-1636
Abstract: We report the detection of a 0.6 MJ extrasolar planet by WASP-South, WASP-25b, transiting its solar-type host star every 3.76 d. A simultaneous analysis of the WASP, FTS and Euler photometry and CORALIE spectroscopy yields a planet of Rp= 1.22 RJ and Mp= 0.58 MJ around a slightly metal-poor solar-type host star, [Fe/H]=− 0.05 ± 0.10, of R*= 0.92 R⊙ and M*= 1.00 M⊙. WASP-25b is found to have a density of ρp= 0.32 ρJ, a low value for a sub-Jupiter mass planet. We investigate the relationship of planetary radius to planetary equilibrium temperature and host star metallicity for transiting exoplanets with a similar mass to WASP-25b, finding that these two parameters explain the radii of most low-mass planets well.
DOI Link: 10.1111/j.1365-2966.2010.17550.x
ISSN: 0035-8711
eISSN: 1365-2966
Links: http://hdl.handle.net/2381/19133
http://mnras.oxfordjournals.org/content/410/3/1631
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
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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