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WASP-25b : a 0.6 MJ planet in the Southern hemisphere
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(2010) WASP-25b : a 0.6 MJ planet in the Southern hemisphere. Monthly Notices of the Royal Astronomical Society, Volume 410 (Number 3). pp. 1631-1636. doi:10.1111/j.1365-2966.2010.17550.x ISSN 0035-8711.
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Official URL: http://dx.doi.org/10.1111/j.1365-2966.2010.17550.x
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.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society | ||||
| Publisher: | Wiley | ||||
| ISSN: | 0035-8711 | ||||
| Official Date: | January 2010 | ||||
| Dates: |
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| Volume: | Volume 410 | ||||
| Number: | Number 3 | ||||
| Page Range: | pp. 1631-1636 | ||||
| DOI: | 10.1111/j.1365-2966.2010.17550.x | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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