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The probability distribution of cluster formation times and implied Einstein Radii
S. Sadeh, Y. Rephaeli
We provide a quantitative assessment of the probability distribution function of the concentration parameter of galaxy clusters. We do so by using the probability distribution func…
S-Z Power Spectra
Yoel Rephaeli, Sharon Sadeh
There is some observational evidence for earlier evolution of clusters of galaxies than predicted in the standard LambdaCDM model with a Gaussian primordial density fluctuation fie…
Cluster abundances and S-Z power spectra: effects of non-Gaussianity and early dark energy
S. Sadeh, Y. Rephaeli, J. Silk
In the standard Lambda CDM cosmological model with a Gaussian primordial density fluctuation field, the relatively low value of the mass variance parameter (sigma_8=0.74{+0.05}{-0.…
Modeling Integrated Properties and the Polarization of the Sunyaev-Zeldovich Effect
Y. Rephaeli, S. Sadeh, M. Shimon
Two little explored aspects of Compton scattering of the CMB in clusters are discussed: The statistical properties of the Sunyaev-Zeldovich (S-Z) effect in the context of a non-Gau…
Impact of a non-Gaussian density field on Sunyaev-Zeldovich observables
S. Sadeh, Y. Rephaeli, J. Silk
The main statistical properties of the Sunyaev-Zeldovich (S-Z) effect - the power spectrum, cluster number counts, and angular correlation function - are calculated and compared wi…
The Sunyaev-Zeldovich Effect
Y. Rephaeli, S. Sadeh, M. Shimon
This brief, general review the Sunyaev-Zeldovich (S-Z) effect includes a description of the calculation of the total intensity change and polarization components, a discussion of t…
Sunyaev-Zeldovich Cluster Counts as a Probe of Intra-Supercluster Gas
S. Sadeh, Y. Rephaeli
X-ray background surveys indicate the likely presence of diffuse warm gas in the Local Super Cluster (LSC), in accord with expectations from hydrodynamical simulations. We assess s…
S-Z Anisotropy & Cluster Counts: Consistent Selection of sigma_8 and the Temperature-Mass Relation
S. Sadeh, Y. Rephaeli
The strong dependence of the mass variance parameter, sigma_8, on the adopted cluster mass-temperature relation is explored. A recently compiled X-ray cluster catalog and various m…
CMB Comptonization in Clusters: Spectral and Angular Power from Evolving Polytropic Gas
Sharon Sadeh, Yoel Rephaeli
The angular power spectrum of the Sunyaev-Zeldovich (SZ) effect is calculated in the CDM cosmological model with the aim of investigating its detailed dependence on the cluster…