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Abstract: We estimate the expected distribution of displacements between the darkmatter and gas cores in simulated clusters. We use the MareNostrum Universe,one of the largest non radiative, SPH Lambda CDM cosmological simulations. Wefind that projected 2-D displacements between dark matter and gas, equal orlarger than the observed in the Bullet Cluster, are expected in 1% to 2% of theclusters with masses larger than 10^{14} Msun. The 2-D displacementdistribution is roughly the same between redshifts 0


Autor: J.E. Forero-Romero, S. Gottloeber, G. Yepes

Fuente: https://arxiv.org/







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