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2011ApJ...726L..19A - Astrophys. J., 726, L19 (2011/January-2)
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 M., LISTER T.A., PEPE F., SEGRANSAN D., STREET R.A. and UDRY S.
Abstract (from CDS):
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 RJup) for the companion that is consistent with that predicted (0.914 RJup) 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.
Abstract Copyright: ∼
Journal keyword(s): binaries: eclipsing - brown dwarfs - stars: individual: WASP-30
VizieR on-line data: <Available at CDS (J/ApJ/726/L19): table2.dat>
Simbad objects: 16
