High angular resolution detection of β Pictoris b at 2.18 μm M. Bonnefoy, A.-M. Lagrange, A. Boccaletti, G. Chauvin, D. Apai, F. Allard, D. Ehrenreich, J. H. V. Girard, D. Mouillet, D. Rouan et al. (2 more) A&A, 528 (2011) L15 Published online: 03 March 2011 DOI: 10.1051/0004-6361/201016224