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An X-ray Size-Temperature Relation for Galaxy Clusters: Observation and Simulation
Joseph J. Mohr, August E. Evrard
We show that galaxy clusters conform to a tight relation between X-ray isophotal size R_I and emission weighted intracluster medium (ICM) temperature T_X. The best fit relation for…
Cosmological Simulations with Scale-Free Initial Conditions I: Adiabatic Hydrodynamics
J. Michael Owen, David H. Weinberg, August E. Evrard +2
We analyze hierarchical structure formation based on scale-free initial conditions in an Einstein-de Sitter universe, including a baryonic component. We present three independent,…
The Tully--Fisher Relation : A Numerical Simulator's Perspective
August E. Evrard
In this brief contribution, I outline hopes of understanding the origin of galaxy scaling relations using numerical simulations as a tool to gain understanding. The case of the Tul…
The Intracluster Gas Fraction in X-ray Clusters : Constraints on the Clustered Mass Density
August E. Evrard
The mean intracluster gas fraction of X-ray clusters within their hydrostatic regions is derived from recent observational compilations of David, Jones & Forman and White & Fabian.…