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We report the discovery of a young, 0.16" binary, 2M2234+4041AB, found as theresult of a Keck laser guide star adaptive optics imaging survey of young fieldultracool dwarfs. Spatially resolved near-infrared photometry and spectroscopyindicate that the luminosity and temperature ratios of the system are nearunity. From optical and near-infrared spectroscopy, we determine a compositespectral type of M6 for the system. Gravity-sensitive spectral features in thespectra of 2M2234+4041AB are best matched to those of young objects (~1 Myrold). A comparison of the Teff and age of 2M2234+4041AB to evolutionary modelsindicates the mass of each component is 0.10 (+0.075-0.04) Msun. Emission linesof H alpha in the composite optical spectrum of the system and Br gamma inspatially resolved near-IR spectra of the two components indicate that thesystem is actively accreting. Both components of the system have IR excesses,indicating that they both harbor circumstellar disks. Though 2M2234+4041AB wasoriginally identified as a young field dwarf, it lies 1.5' from thewell-studied Herbig Ae/Be star, LkHa 233. The distance to LkHa 233 is typicallyassumed to be 880 pc. It is unlikely 2M2234+4041AB could be this distant, as itwould then be more luminous than any known Taurus objects of similar spectraltype. We re-evaluate the distance to the LkHa 233 group and find a value of 325(+72-50) pc, based on the Hipparcos distance to a nearby B3-type group member(HD 213976). 2M2234+4041AB is the first low-mass star to be potentiallyassociated with the LkHa 233 group. At a distance of 325 pc, its projectedphysical separation is 51 AU, making it one of a growing number of wide,low-mass binaries found in young star-forming regions.

2MASS 22344161+4041387AB: A Wide, Young, Accreting, Low-mass Binary in the LkHa233 Group