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Chandra Observations of the Spectacular A3411-12 Merger Event
Felipe Andrade-Santos, Reinout J. van Weeren, Gabriella Di Gennaro +17
We present deep Chandra observations of A3411-12, a remarkable merging cluster that hosts the most compelling evidence for electron re-acceleration at cluster shocks to date. Using…
Evidence for a merger induced shock wave in ZwCl\,0008.8+5215 with {\it Chandra} and {\it Suzaku}
G. Di Gennaro, R. J. van Weeren, F. Andrade-Santos +8
We present the results from new deep {\it Chandra} (~ks) and {\it Suzaku} ( ks) observations of the merging galaxy cluster ZwCl\,0008.8+5215 (). Previous…
Radio observations of the double-relic galaxy cluster Abell 1240
D. N. Hoang, T. W. Shimwell, R. J. van Weeren +16
We present LOFAR MHz images of the merging galaxy cluster Abell 1240 that hosts double radio relics. In combination with the GMRT MHz and VLA GHz data, we…
The Case for Electron Re-Acceleration at Galaxy Cluster Shocks
Reinout J. van Weeren, Felipe Andrade-Santos, William A. Dawson +16
On the largest scales, the Universe consists of voids and filaments making up the cosmic web. Galaxy clusters are located at the knots in this web, at the intersection of filaments…
LOFAR, VLA, and Chandra observations of the Toothbrush galaxy cluster
R. J. van Weeren, G. Brunetti, M. Brüggen +39
We present deep LOFAR observations between 120-181 MHz of the "Toothbrush" (RX J0603.3+4214), a cluster that contains one of the brightest radio relic sources known. Our LOFAR obse…
A powerful double radio relic system discovered in PSZ1 G108.18-11.53: evidence for a shock with non-uniform Mach number?
F. de Gasperin, H. T. Intema, R. J. van Weeren +5
Diffuse radio emission in the form of radio halos and relics has been found in a number of merging galaxy clusters. These structures indicate that shock and turbulence associated w…