Ppl 15: the first brown dwarf spectroscopic binary

@article{Basri1999Ppl1T,
  title={Ppl 15: the first brown dwarf spectroscopic binary},
  author={G. Basri and E. Mart{\'i}n},
  journal={The Astronomical Journal},
  year={1999},
  volume={118},
  pages={2460-2465}
}
  • G. Basri, E. Martín
  • Published 1999
  • Physics
  • The Astronomical Journal
  • PPl 15 is the first object to have been confirmed as a brown dwarf by the lithium test (in 1995), though its inferred mass was very close to the substellar limit. It is a member of the Pleiades open cluster. Its position in a cluster color-magnitude diagram suggested that it might be binary, and preliminary indications that it is a double-lined spectroscopic binary were reported by us in 1997. Here we report on the results of a consecutive week of Keck HIRES observations of this system, which… CONTINUE READING
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