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The discovery of diffuse steep spectrum sources in Abell 2256
R. J. van Weeren, H. T. Intema, J. B. R. Oonk +2
Context: Hierarchical galaxy formation models indicate that during their lifetime galaxy clusters undergo several mergers. Here we report on the discovery of three diffuse radio so…
Radio observations of ZwCl 2341.1+0000: a double radio relic cluster
R. J. van Weeren, H. J. A. Rottgering, J. Bagchi +6
Context: Hierarchal models of large scale structure (LSS) formation predict that galaxy clusters grow via gravitational infall and mergers of (smaller) mass concentrations, such as…
Ionospheric Calibration of Low Frequency Radio Interferometric Observations using the Peeling Scheme: I. Method Description and First Results
H. T. Intema, S. van der Tol, W. D. Cotton +3
Calibration of radio interferometric observations becomes increasingly difficult towards lower frequencies. Below ~300 MHz, spatially variant refractions and propagation delays of…