Astrometric and Spectroscopic Confirmation of a Brown Dwarf Companion to GSC 08047-00232

G. Chauvin, A. -M. Lagrange, F. Lacombe +8

We report VLT/NACO imaging observations of the stars GSC 08047-00232 and HIP 6856, probable members of the large Tucana-Horologium association. During our previous ADONIS/SHARPII d…