XMM-Newton observations of M 87 and its X-ray halo H. Böhringer, E. Belsole, J. Kennea, K. Matsushita, S. Molendi, D. M. Worrall, R. F. Mushotzky, M. Ehle, M. Guainazzi, I. Sakelliou et al. (3 more) A&A, 365 1 (2001) L181-L187 Published online: 15 January 2001 DOI: 10.1051/0004-6361:20000092