Astrometric and spectroscopic confirmation of a brown dwarf companion to GSC 08047-00232 - VLT/NACO deep imaging and spectroscopic observationsG. Chauvin, A.-M. Lagrange, F. Lacombe, C. Dumas, D. Mouillet, B. Zuckerman, E. Gendron, I. Song, J.-L. Beuzit, P. Lowrance and T. FuscoA&A, 430 3 (2005) 1027-1033DOI: https://doi.org/10.1051/0004-6361:20041353