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Cluster Bulleticity
Richard Massey, Thomas Kitching, Daisuke Nagai
The unique properties of dark matter are revealed during collisions between clusters of galaxies, like the bullet cluster (1E 0657-56) and baby bullet (MACSJ0025-12). These systems…
Impact of Cluster Physics on the Sunyaev-Zel'dovich Power Spectrum
Laurie D. Shaw, Daisuke Nagai, Suman Bhattacharya +1
We use an analytic model to investigate the theoretical uncertainty on the thermal Sunyaev-Zel'dovich (SZ) power spectrum due to astrophysical uncertainties in the thermal structur…
Shapes of Gas, Gravitational Potential and Dark Matter in Lambda-CDM Clusters
Erwin T. Lau, Daisuke Nagai, Andrey V. Kravtsov +1
We present analysis of the three-dimensional shape of intracluster gas in clusters formed in cosmological simulations of the Lambda-CDM cosmology and compare it to the shape of dar…