Revealing the ICM transport processes with the bow shock, upstream shock and turbulent wake in Abell 2146

Details Revealing the ICM transport processes with the bow shock, upstream shock and turbulent wake in Abell 2146 Revealing the ICM transport processes with the bow shock, upstream shock and turbulent wake in Abell 2146

Sep 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010cxo..prop.3025r&link_type=abstract

Chandra proposal ID #12800339

Computer Science

Scientific paper

Shock fronts generated by galaxy cluster mergers provide a key tool for studying the cluster gas. However, unambiguous detections of shock fronts are rare and only two have previously been found, those in the Bullet cluster and Abell 520. Our recent Chandra observation of Abell 2146 has revealed that this cluster has two Mach 2 merger shock fronts and a gas structure remarkably similar to the Bullet cluster (eg. Markevitch et al. 2002). We propose a deep observation of Abell 2146 to test electron-ion equilibrium, which was found to be shorter than the Coulomb time in the Bullet cluster, and investigate the ICM transport processes by studying the complex substructures and shocks in the subcluster tail.

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