The NGC 4839 group falling into the Coma cluster observed by XMM-Newton D. M. Neumann, M. Arnaud, R. Gastaud, N. Aghanim, D. Lumb, U. G. Briel, W. T. Vestrand, G. C. Stewart, S. Molendi and J. P. D. Mittaz A&A, 365 1 (2001) L74-L79 Published online: 15 January 2001 DOI: 10.1051/0004-6361:20000182