XMM-Newton and VLT observations of the afterglow of GRB 040827 A. De Luca, A. Melandri, P. A. Caraveo, D. Götz, S. Mereghetti, A. Tiengo, L. A. Antonelli, S. Campana, G. Chincarini, S. Covino et al. (6 more) A&A, 440 1 (2005) 85-92 Published online: 19 August 2005 DOI: 10.1051/0004-6361:20052884