First determination of the dynamical mass of a binary L dwarf

  title={First determination of the dynamical mass of a binary L dwarf},
  author={H. Bouy and G. Duch{\^e}ne and R. Koehler and W. Brandner and J. Bouvier and E. Martin and A. Ghez and X. Delfosse and T. Forveille and F. Allard and I. Baraffe and G. Basri and L. Close and C. McCabe},
  journal={Astronomy and Astrophysics},
  • H. Bouy, G. Duchêne, +11 authors C. McCabe
  • Published 2004
  • Physics
  • Astronomy and Astrophysics
  • We present here the results of astrometric, photometric and spectroscopic observations leading to the determination of the orbit and dynamical masses of the binary L dwarf 2MASSW J0746425+2000321. High angular resolution observations spread over almost 4 years and obtained with the Hubble Space Telescope (HST), the ESO Very Large Telescope (VLT), and at heW. M. Keck Observatory (Keck) allow us to cover ∼36% of the period, corresponding to 60% of the orbit, and, for the first time, to derive a… CONTINUE READING

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