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The Mass Function of an X-Ray Flux-Limited Sample of Galaxy Clusters
Thomas H. Reiprich, Hans Boehringer
A new X-ray selected and X-ray flux-limited galaxy cluster sample is presented. Based on the ROSAT All-Sky Survey the 63 brightest clusters with galactic latitude |bII| >= 20 deg a…
Galaxy Clusters: Cosmic High-Energy Laboratories to Study the Structure of Our Universe
Hans Boehringer
This contribution illustrates the study of galaxy clusters as astrophysical laboratories as well as probes for the large-scale structure of the Universe. Using the REFLEX Cluster S…
X-ray Evidence for Spectroscopic Diversity of Type Ia Supernovae: XMM observation of the elemental abundance pattern in M87
A. Finoguenov, K. Matsushita, H. Boehringer +2
We present the results of a detailed element abundance study of hot gas in M87, observed by XMM-Newton. We choose two radial bins, 1'-3' and 8'-16' (8'-14' for EMOS; hereafter the…
Radio and X-ray diffuse emission in six clusters of galaxies
F. Govoni, L. Feretti, G. Giovannini +3
Deep Very Large Array radio observations confirm the presence of halo and relic sources in six clusters of galaxies (A115, A520, A773, A1664, A2254, A2744) where a wide diffuse emi…
Non-Gaussian morphology on large scales: Minkowski functionals of the REFLEX cluster catalogue
M. Kerscher, K. Mecke, P. Schuecker +6
In order to quantify higher-order correlations of the galaxy cluster distribution we use a complete family of additive measures which give scale-dependent morphological information…
The North Ecliptic Pole Supercluster
C. R. Mullis, J. P. Henry, I. M. Gioia +4
We have used the ROSAT All-Sky Survey to detect a known supercluster at z=0.087 in the North Ecliptic Pole region. The X-ray data greatly improve our understanding of this superclu…