Discovery of a nearby M9 dwarf
2006
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 data base. We measure a very high proper motion of 2.5 arcsec yr−1. 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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