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Constraining Dark Energy with X-ray Galaxy Clusters, Supernovae and the Cosmic Microwave Background
David Rapetti, Steven W. Allen, Jochen Weller
We present new constraints on the evolution of dark energy from an analysis of Cosmic Microwave Background, supernova and X-ray galaxy cluster data. Our analysis employs a minimum…
An improved approach to measuring H_0 using X-ray and SZ observations of galaxy clusters
R. W. Schmidt, S. W. Allen, A. C. Fabian
We present an improved method for predicting the Sunyaev-Zeldovich (SZ) effect in galaxy clusters from spatially-resolved, spectroscopic X-ray data. Using the deprojected electron…
Constraints on dark energy from Chandra observations of the largest relaxed galaxy clusters
S. W. Allen, R. W. Schmidt, H. Ebeling +2
We present constraints on the mean dark energy density, Omega_X and dark energy equation of state parameter, w_X, based on Chandra measurements of the X-ray gas mass fraction in 26…