The first discovery of a wide binary brown dwarf

@article{Luhman2004TheFD,
  title={The first discovery of a wide binary brown dwarf},
  author={K. Luhman},
  journal={The Astrophysical Journal},
  year={2004},
  volume={614},
  pages={398-403}
}
  • K. Luhman
  • Published 2004
  • Physics
  • The Astrophysical Journal
I present observations of a new faint double, 2MASS J11011926-7732383AB, toward the Chamaeleon I star-forming region. From optical and near-infrared images of the pair, I measure a separation of 144 and extract RIJHKs photometry of the components (IA = 17.21, ΔI = 1.07, Ks,A = 11.97, ΔKs = 0.84). I use resolved optical spectroscopy to derive spectral types of M7.25 and M8.25 for the A and B components, respectively. Based on the strengths of gravity-sensitive features in these data, such as the… Expand

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