The position of β Pictoris b position relative to the debris disk A.-M. Lagrange, A. Boccaletti, J. Milli, G. Chauvin, M. Bonnefoy, D. Mouillet, J. C. Augereau, J. H. Girard, S. Lacour and D. Apai A&A, 542 (2012) A40 Published online: 04 June 2012 DOI: 10.1051/0004-6361/201118274