Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...193.3810r&link_type=abstract
American Astronomical Society, 193rd AAS Meeting, #38.10; Bulletin of the American Astronomical Society, Vol. 30, p.1303
Astronomy and Astrophysics
Astronomy
Scientific paper
We present a numerical model for the extended radio sources in A3667 based on new 3-dimensional MHD/N-body simulations. The X-ray and optical analyses of A3667 indicate that it has undergone a recent subcluster merger event. We believe that the Mpc-scale radio sources identified in A3667 are also a consequence of the merger. Our previous numerical simulations show that mergers often produce large-scale shocks and turbulence capable of both magnetic field amplification and in-situ reacceleration of relativistic particles. If true, our model demonstrates that these radio structures, separated by ~ 5.2h(-1}_{50) Mpc, are in fact causally linked via a slightly off-axis merger that occurred nearly in the plane of the sky approximately 1 Gyr ago with a subcluster having a total mass equal to ~ 20% of the primary cluster.
Burns O. Jr. J.
Roettiger Kurt
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