CFBDSIR2149-0403: a 4-7 Jupiter-mass free-floating planet in the young moving group AB Doradus ? ⋆

@article{Delorme2012CFBDSIR21490403A4,
  title={CFBDSIR2149-0403: a 4-7 Jupiter-mass free-floating planet in the young moving group AB Doradus ? ⋆},
  author={Philippe Delorme and Jonathan Gagn'e and Lison Malo and C'eline Reyl'e and {\'E}tienne Artigau and Loic Albert and Thierry Forveille and Xavier Delfosse and France Allard and Derek Homeier},
  journal={Astronomy and Astrophysics},
  year={2012},
  volume={548}
}
Aims. Using the CFBDSIR wide field survey for brown dwarfs, we identified CFBDSIRJ214947.2-040308.9, a late T dwarf with atypically red J KS colour. Methods. We obtained an X-Shooter spectra, with signal detectable from 0.8 µm to 2.3 µm, which confirmed a T7 spectral type with an enhanced Ks-band flux indicative of a potentially low-gravity, young, object. Results. The comparison of our near infrared spectrum with atmosphere models, for solar metallicity, shows that CFBDSIRJ214947.2-040308.9 is… 
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