An X-ray temperature map of Abell 754: A major merger

Astronomy and Astrophysics – Astrophysics

Scientific paper

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94

Brightness Temperature, Collisions, Galactic Clusters, Maps, Temperature Distribution, X Rays, Data Reduction, Red Shift, Spatial Distribution

Scientific paper

We present the first two-dimensional X-ray temperature map of the rich cluster of galaxies Abell 754. We also present an X-ray surface brightness map with improved spatial resolution and sensitivity compared with previous maps. Both the temperature map and the surface brightness map show that A754 is in the throes of a violent merger; it is probably far from hydrostatic equilibrium.

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