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arxiv: astro-ph/0510639 · v2 · submitted 2005-10-21 · 🌌 astro-ph

Discovery of a nearby M9 dwarf

N. Phan-Bao , M.S. Bessell , E.L. Martin , G. Simon , J. Guibert , T. Forveille , X. Delfosse , F. Crifo
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N. Epchtein P. Wood F. Tajahmady
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classification 🌌 astro-ph
keywords dwarfdiscoverynearbyarc-secclosestdatabasedenisdistance
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We report the discovery of a new M9.0 dwarf at only 8.2 pc, which we identified in our search for nearby ultracool dwarf (I-J >= 3.0, later than M8.0) in the DENIS database. We measure a very high proper motion of 2.5 arc-sec/yr. The PC3 index measured from its low-resolution spectrum gives a spectrophotometric distance of 8.2 pc. This makes it the third closest M9.0 dwarf.

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