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WASP-30b : A 61MJup Brown Dwarf Transiting AV= 12, F8 Star
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(2010) WASP-30b : A 61MJup Brown Dwarf Transiting AV= 12, F8 Star. The Astrophysical Journal, Volume 726 (Number 2). Article number L19. doi:10.1088/2041-8205/726/2/L19 ISSN 0004-637X.
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Official URL: http://dx.doi.org/10.1088/2041-8205/726/2/L19
Abstract
We report the discovery of a 61-Jupiter-mass brown dwarf (BD), which transits its F8V host star, WASP-30, every 4.16 days. From a range of age indicators we estimate the system age to be 1-2 Gyr. We derive a radius (0.89 ± 0.02 R Jup) for the companion that is consistent with that predicted (0.914 R Jup) by a model of a 1 Gyr old, non-irradiated BD with a dusty atmosphere. The location of WASP-30b in the minimum of the mass-radius relation is consistent with the quantitative prediction of Chabrier & Baraffe, thus confirming the theory.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | The Astrophysical Journal | ||||
| Publisher: | Institute of Physics Publishing, Inc. | ||||
| ISSN: | 0004-637X | ||||
| Official Date: | 2010 | ||||
| Dates: |
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| Volume: | Volume 726 | ||||
| Number: | Number 2 | ||||
| Article Number: | Article number L19 | ||||
| DOI: | 10.1088/2041-8205/726/2/L19 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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