LP 714-37: A Wide Pair of Ultracool Dwarfs Actually Is a Triple | Zendy

N. Phan-Bao | Zendy; T. Forveille | Zendy; E. L. Martı́n | Zendy; X. Delfosse | Zendy

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LP 714-37: A Wide Pair of Ultracool Dwarfs Actually Is a Triple

Author(s) -

N. Phan-Bao,

T. Forveille,

E. L. Martı́n,

X. Delfosse

Publication year - 2006

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/506384

Subject(s) - brown dwarf , physics , stellar classification , astrophysics , low mass , binary number , stars , astronomy , mathematics , arithmetic

International audienceLP 714-37 was identified by Phan-Bao et al. as one of the very few wide pairs of very low mass (VLM) stars known to date, with a separation of 33 AU. Here we present adaptive optics imaging that resolves the secondary of the wide pair into a tighter binary, with a projected angular separation of 0.36", or 7 AU. The estimated spectral types of LP 714-37B and LP 714-37C are M8.0 and M8.5, respectively. We discuss the implications of this finding for brown dwarf formation scenarios. Based on observations made at the Canada-France-Hawaii Telescope, operated by the National Research Council of Canada, the Centre National de la Recherche Scientifique de France, and the University of Hawaii

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