The large-scale shock in the cluster of galaxies Hydra A A. Simionescu, E. Roediger, P. E. J. Nulsen, M. Brüggen, W. R. Forman, H. Böhringer, N. Werner and A. Finoguenov A&A, 495 3 (2009) 721-732 Published online: 20 January 2009 DOI: 10.1051/0004-6361:200811071