Reference : The Low Density Transiting Exoplanet WASP-15b
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/27453
The Low Density Transiting Exoplanet WASP-15b
English
West, R. G. [Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH, UK]
Anderson, D. R. [Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK]
Gillon, Michaël mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique et traitement de l'image >]
Hebb, L. [School of Physics and Astronomy, University of St. Andrews, North Haugh, Fife KY16 9SS, UK]
Hellier, C. [Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK]
Maxted, P. F. L. [Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK]
Queloz, D. [Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland]
Smalley, B. [Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK]
Triaud, A H M J [Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland]
Wilson, D. M. [Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK]
Bentley, S. J. [Astrophysics Group, Keele University, Staffordshire ST5 5BG, UK]
Collier Cameron, A. [School of Physics and Astronomy, University of St. Andrews, North Haugh, Fife KY16 9SS, UK]
Enoch, B. [School of Physics and Astronomy, University of St. Andrews, North Haugh, Fife KY16 9SS, UK]
Horne, K. [School of Physics and Astronomy, University of St. Andrews, North Haugh, Fife KY16 9SS, UK]
Irwin, J. [Department of Astronomy, Harvard University, 60 Garden Street, MS 10, Cambridge, MA 02138, USA]
Lister, T. A. [Las Cumbres Observatory, 6740 Cortona Dr. Suite 102, Santa Barbara, CA 93117, USA]
Mayor, M. [Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland]
Parley, N. [School of Physics and Astronomy, University of St. Andrews, North Haugh, Fife KY16 9SS, UK]
Pepe, F. [Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland]
Pollacco, D. [Astrophysics Research Centre, School of Mathematics & Physics, Queen's University, University Road, Belfast BT7 1NN, UK]
Segransan, D. [Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland]
Spano, M. [Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland]
Udry, S. [Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland]
Wheatley, P. J. [Department of Physics, University of Warwick, Coventry CV4 7AL, UK]
1-Jun-2009
Astronomical Journal (The)
Univ Chicago Press
137
4834-4836
Yes
International
0004-6256
Chicago
IL
[en] binaries: eclipsing ; planetary systems ; stars: individual: WASP-15 ; techniques: photometric ; techniques: radial velocities ; techniques: spectroscopic
[en] 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 [SUB]p[/SUB] = 0.542 ± 0.050 M [SUB]J[/SUB] and radius R [SUB]p[/SUB] = 1.428 ± 0.077 R [SUB]J[/SUB], and is therefore one of the least dense transiting exoplanets so far discovered (rho[SUB]p[/SUB] = 0.247 ± 0.035 g cm[SUP]--3[/SUP]). An analysis of the spectrum of the host star shows it to be of spectral type around F5, with an effective temperature T [SUB]eff[/SUB] = 6300 ± 100 K and [Fe/H] = --0.17 ± 0.11.
http://hdl.handle.net/2268/27453
10.1088/0004-6256/137/6/4834
http://adsabs.harvard.edu/abs/2009AJ....137.4834W
http://de.arxiv.org/abs/0902.2651

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