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The low density transiting exoplanet WASP-15b
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(2009) The low density transiting exoplanet WASP-15b. Astronomical Journal, Vol.137 (No.6). pp. 4834-4836. doi:10.1088/0004-6256/137/6/4834 ISSN 0004-6256.
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Official URL: http://dx.doi.org/10.1088/0004-6256/137/6/4834
Abstract
We report the discovery of a low-density exoplanet transiting an 11th magnitude star in the Southern hemisphere. WASP-15b, which orbits its host star with a period P = 3.7520656 +/- 0.0000028 d, has a mass M-p = 0.542 +/- 0.050 M-J and radius R-p = 1.428 +/- 0.077 R-J, and is therefore one of the least dense transiting exoplanets so far discovered (rho(p) = 0.247 +/- 0.035 g cm(-3)). An analysis of the spectrum of the host star shows it to be of spectral type around F5, with an effective temperature T-eff 6300 +/- 100 K and [Fe/H] = -0.17 +/- 0.11.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QB Astronomy | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Astronomical Journal | ||||
Publisher: | Institute of Physics Publishing Ltd. | ||||
ISSN: | 0004-6256 | ||||
Official Date: | June 2009 | ||||
Dates: |
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Volume: | Vol.137 | ||||
Number: | No.6 | ||||
Number of Pages: | 3 | ||||
Page Range: | pp. 4834-4836 | ||||
DOI: | 10.1088/0004-6256/137/6/4834 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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