Subcluster Mergers, Radio Relics, and the Cooling Flow in Abell 85

Details Subcluster Mergers, Radio Relics, and the Cooling Flow in Abell 85 Subcluster Mergers, Radio Relics, and the Cooling Flow in Abell 85

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...63s&link_type=abstract

Chandra Proposal ID #01800461

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Chandra Proposal Id #01800461

Scientific paper

A85 is unusual in having a strong cooling flow and evidence for ongoing mergers. X-ray substructure and ASCA spectra suggest that a subcluster to the south (and possibly another to the SW) are colliding with the main cluster. We will search for shocks and other hydrodynamic features in AXAF images of the region. The two subclusters coincide with two regions of very low frequency radio emission. Such "radio halos" may result from shock acceleration during mergers. We will compare the radio and X-ray images, and limit or detect Inverse Compton X-ray emission in these regions. Detecting IC would allow the cluster magnetic field to be derived. We will also study the cooling flow at the cluster center, and use it to place constraints on the ages and strengths of the mergers.

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