Hydrodynamic simulations of correlation and scatter in galaxy cluster maps A. Finoguenov, A. J. R. Sanderson, J. J. Mohr, J. J. Bialek and A. Evrard A&A, 509 (2010) A85 Published online: 22 January 2010 DOI: 10.1051/0004-6361/200911649