Low-Luminosity Companions to Nearby Stars: Status of the 2MASS Data Search Kirkpatrick, J. D. ; Gizis, J. E. ; Burgasser, A. J. ; Wilson, J. C. ; Dahn, C. C. ; Monet, D. G. ; Reid, I. N. ; Liebert, J. Abstract Publication: Ultracool Dwarfs: New Spectral Types L and T Pub Date: 2001 Bibcode: 2001udns.conf..125K