WASP-30b: A 61 M Jup Brown Dwarf Transiting a V = 12, F8 Star
| Data(s) |
10/01/2011
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| Resumo |
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. |
| Identificador | |
| Idioma(s) |
eng |
| Direitos |
info:eu-repo/semantics/restrictedAccess |
| Fonte |
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 2011 , ' WASP-30b: A 61 M Jup Brown Dwarf Transiting a V = 12, F8 Star ' Astrophysical Journal Letters , vol 726 , no. 2 PART II . DOI: 10.1088/2041-8205/726/2/L19 |
| Palavras-Chave | #/dk/atira/pure/subjectarea/asjc/1900/1912 #Space and Planetary Science #/dk/atira/pure/subjectarea/asjc/3100/3103 #Astronomy and Astrophysics |
| Tipo |
article |
