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K. Cruz (U. Pennsylvania)
We have created a statistically complete sample of M7--L8 dwarfs within 20 pc using the 2MASS Second Data Release. With this dataset, we present the first robust measurement of the luminosity function of objects that span the stellar/brown dwarf boundary. In addition, we have doubled the number of ultracool dwarfs known within 20 pc. I will describe these results, summarize its implications on the mass function, and discuss the prospects for the future.
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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.