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Constraints on modified gravity from the observed X-ray luminosity function of galaxy clusters
David Rapetti, Steven W. Allen, Adam Mantz +1
We use measurements of the growth of cosmic structure, as inferred from the observed evolution of the X-ray luminosity function (XLF) of galaxy clusters, to constrain departures fr…
Dark Matter and Baryons in the Most X-ray Luminous and Merging Galaxy Cluster RX J1347.5-1145
Maruša Bradač, Tim Schrabback, Thomas Erben +12
The galaxy cluster RX J1347-1145 is one of the most X-ray luminous and most massive clusters known. Its extreme mass makes it a prime target for studying issues addressing cluster…
The prospects for constraining dark energy with future X-ray cluster gas mass fraction measurements
David Rapetti, Steven W. Allen, Adam Mantz
We examine the ability of a future X-ray observatory to constrain dark energy via measurements of the cluster X-ray gas mass fraction, fgas. We find that fgas measurements for a sa…
New constraints on dark energy from the observed growth of the most X-ray luminous galaxy clusters
A. Mantz, S. W. Allen, H. Ebeling +1
We present constraints on the mean matter density, Omega_m, the normalization of the density fluctuation power spectrum, sigma_8, and the dark-energy equation-of-state parameter, w…