Adaptive optics, near-infrared observations of magnetars V. Testa, N. Rea, R. P. Mignani, G. L. Israel, R. Perna, S. Chaty, L. Stella, S. Covino, R. Turolla, S. Zane et al. (4 more) A&A, 482 2 (2008) 607-615 Published online: 18 February 2008 DOI: 10.1051/0004-6361:20078692