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Large-scale Motions in the Perseus Galaxy Cluster
A. Simionescu, N. Werner, O. Urban +6
By combining large-scale mosaics of ROSAT PSPC, XMM-Newton, and Suzaku X-ray observations, we present evidence for large-scale motions in the intracluster medium of the nearby, X-r…
A filament of dark matter between two clusters of galaxies
Jörg P. Dietrich, Norbert Werner, Douglas Clowe +4
It is a firm prediction of the concordance Cold Dark Matter (CDM) cosmological model that galaxy clusters live at the intersection of large-scale structure filaments. The thread-li…
Estimating turbulent velocities in the elliptical galaxies NGC 5044 and NGC 5813
J. de Plaa, I. Zhuravleva, N. Werner +5
The interstellar and intra-cluster medium in giant elliptical galaxies and clusters of galaxies is often assumed to be in hydrostatic equilibrium. Numerical simulations, however, s…