XMM-Newton EPIC Observation of the Galaxy Cluster A3667

Details XMM-Newton EPIC Observation of the Galaxy Cluster A3667 XMM-Newton EPIC Observation of the Galaxy Cluster A3667

2004-07-05

arxiv.org/abs/astro-ph/0407080v1

Astron.Astrophys. 426 (2004) 1-9

Astronomy and Astrophysics

Astrophysics

9 pages, 7 figures, accepted for publication by A&A

Scientific paper

10.1051/0004-6361:20035812

The Abell cluster of galaxies A3667 was observed with XMM-Newton in 6 partially overlapping pointings. We present here the resulting X-ray surface brightness, temperature, entropy and pressure maps and discuss the structure of this cluster on scales from 0.1 to 30 arcminutes. Based on these observations we refine the origin of the A3667 cold front to the displacement of the low entropy, high metal abundance gas from the current pressure peak of the cluster. We argue that the mushroom shape of the cold front observed here is similar to what is seen in some numerical simulations. We also present the first evidence for a dynamically significant angular momentum in the cold front.

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