WASP-30b: a 61 Mjup brown dwarf transiting a V=12, F8 star

Anderson, D. R.; Collier Cameron, A.; Hellier, C.; Lendl, M.; Maxted, P. F. L.; Pollacco, D.; Queloz, D.; Smalley, B.; Smith, A. M. S.; Todd, I.; Triaud, A H M J; West, R. G.; Barros, S. C. C.; Enoch, B.; Gillon, Michaël; Lister, T. A.; Pepe, F.; Ségransan, D.; Street, R. A.; Udry, S.

doi:10.1088/2041-8205/726/2/L19

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WASP-30b: a 61 Mjup brown dwarf transiting a V=12, F8 star

Anderson, D. R.; Collier Cameron, A.; Hellier, C. et al.

2011 • In Astrophysical Journal. Letters, 726 (2), p. 19

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https://hdl.handle.net/2268/76649

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10.1088/2041-8205/726/2/L19

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Keywords :

Astrophysics - Solar and Stellar Astrophysics; Astrophysics - Earth and Planetary Astrophysics

Abstract :

[en] 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.

Disciplines :

Space science, astronomy & astrophysics

Author, co-author :

Anderson, D. R.

Collier Cameron, A.

Hellier, C.

Lendl, M.

Maxted, P. F. L.

Pollacco, D.

Queloz, D.

Smalley, B.

Smith, A. M. S.

Todd, I.

More authors (10 more)

Language :

English

Title :

WASP-30b: a 61 Mjup brown dwarf transiting a V=12, F8 star

Publication date :

2011

Journal title :

Astrophysical Journal. Letters

ISSN :

2041-8205

eISSN :

2041-8213

Publisher :

University of Chicago Press, Chicago, United States - Illinois

Volume :

726

Issue :

Pages :

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://adsabs.harvard.edu/abs/2010arXiv1010.3006A

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since 23 November 2010

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