An XMM-Newton study of the sub-structure in M 87's halo E. Belsole, J. L. Sauvageot, H. Böhringer, D. M. Worrall, K. Matsushita, R. F. Mushotzky, I. Sakelliou, S. Molendi, M. Ehle, J. Kennea et al. (2 more) A&A, 365 1 (2001) L188-L194 Published online: 15 January 2001 DOI: 10.1051/0004-6361:20000239