Chemical enrichment in the cluster of galaxies Hydra A A. Simionescu, N. Werner, H. Böhringer, J. S. Kaastra, A. Finoguenov, M. Brüggen and P. E. J. Nulsen A&A, 493 2 (2009) 409-424 Published online: 20 November 2008 DOI: 10.1051/0004-6361:200810225