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Galaxy Cluster Gas Mass Fractions from Sunyaev-Zel'dovich Effect Measurements: Constraints on Omega_M
Laura Grego, John E. Carlstrom, Erik D. Reese +5
Using sensitive centimeter-wave receivers mounted on the Owens Valley Radio Observatory and Berkeley-Illinois-Maryland-Association millimeter arrays, we have obtained interferometr…
Effects of Preheating on X-ray Scaling Relations in Galaxy Clusters
John J. Bialek, August E. Evrard, Joseph J. Mohr
The failure of purely gravitational models of X-ray cluster formation to reproduce basic observed properties of the local cluster population suggests the need for one or more addit…
The Infall Region of Abell 576: Independent Mass and Light Profiles
K. Rines, M. J. Geller, A. Diaferio +2
We describe observations of the nearby cluster of galaxies A576 beyond the virial radius and into the infall region. Using 1057 redshifts, we use the infall pattern in redshift spa…
On Galaxy-Cluster Sizes and Temperatures
Licia Verde, Marc Kamionkowski, Joseph J. Mohr +1
We show that the distribution of the sizes and temperatures of clusters can be used to constrain cosmological models. The size-temperature (ST) distribution predicted in a flat Gau…
Galaxy Cluster Baryon Fractions, Cluster Surveys and Cosmology
Joseph J. Mohr, Zoltan Haiman, Gilbert P. Holder
The properties of nearby galaxy clusters limit the range of cosmological parameters consistent with our universe. We describe the limits which arise from studies of the intracluste…
The X-ray Size-Temperature Relation for Intermediate Redshift Galaxy Clusters
Joseph J. Mohr, Erik D. Reese, E. Ellingson +2
We present the first measurements of the X-ray size-temperature (ST) relation in intermediate redshift (z~0.30) galaxy clusters. We interpret the local ST relation (z~0.06) in term…