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Sunyaev-Zeldovich profiles for clusters and groups of galaxies
Troels Haugboelle, Jesper Sommer-Larsen, Kristian Pedersen
The Sunyaev-Zeldovich (SZ) effect gives a measure of the thermal energy and electron pressure in groups and clusters of galaxies. In the near future SZ surveys will map hundreds of…
Where is the matter in the Merging Cluster Abell 2218?
Árdís Elíasdóttir, Marceau Limousin, Johan Richard +6
We present a parametric strong lensing model of the cluster Abell 2218 based on HST ACS data. We constrain the lens model using 8 previously known multiply imaged systems, of which…
A multi-wavelength study of z = 3.15 Lyman-alpha emitters in the GOODS South Field
Kim K. Nilsson, P. Moeller, O. Moeller +7
Context: Ly-alpha-emitters have proven to be excellent probes of faint, star-forming galaxies in the high redshift universe. However, although the sample of known emitters is incre…
The Representative XMM-Newton Cluster Structure Survey (REXCESS) of an X-ray Luminosity Selected Galaxy Cluster Sample
H. Boehringer, P. Schuecker, G. W. Pratt +31
The largest uncertainty for cosmological studies using clusters of galaxies is introduced by our limited knowledge of the statistics of galaxy cluster structure, and of the scaling…
Searching for decaying axion-like dark matter from clusters of galaxies
Signe Riemer-Sorensen, Konstantin Zioutas, Steen H. Hansen +3
We consider the possibility of constraining the lifetime of radiatively decaying dark matter particles in clusters of galaxies inspired from generic axions of the Kaluza-Klein type…