A companion to AB Pic at the planet/brown dwarf boundary

@article{Chauvin2005ACT,
  title={A companion to AB Pic at the planet/brown dwarf boundary},
  author={Ga{\"e}l Chauvin and Anne-Marie Lagrange and B. Zuckerman and Christophe Dumas and David Mouillet and Inseok Song and J.-L. Beuzit and Patrick J. Lowrance and Michael S. Bessell},
  journal={Astronomy and Astrophysics},
  year={2005},
  volume={438}
}
We report deep imaging observations of the young, nearby star AB Pic, a member of the large Tucana-Horologium association. We have detected a faint, red source $5.5''$ South of the star with JHK  colors compatible with that of a young substellar L dwarf. Follow-up observations at two additional epochs confirm, with a confidence level of 4.7 σ , that the faint red object is a companion to AB Pic rather than it being a stationary background object. A low resolution K -band spectrum indicates an… 

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