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XMM observation of the dynamically young galaxy cluster CL 0939+4713 | | E. De Filippis
; S. Schindler
; A. Castillo-Morales
; | | Date: |
1 Apr 2003 | | Journal: | Astron.Astrophys. 404 (2003) 63-74 | | Subject: | astro-ph | | Affiliation: | 1 and 2), S. Schindler (3 and 1), A. Castillo-Morales (4 and 1) ( A.R.I. John Moores University, MIT, University of Innsbruck, University of Granada | | Abstract: | We present an XMM observation of the distant galaxy cluster CL 0939+4713. The X-ray image shows pronounced substructure, with two main subclusters forming the cluster core. This is an indication that the cluster is a dynamically young system. This conclusion is supported by the temperature distribution: a hot region is found between the two main subclusters indicating that they are at the beginning of a major merger, and that they will collide in a few hundreds of Myr. The intra-cluster gas of CL 0939+4713 shows inhomogeneities in the metal distribution, with the optically richer subcluster having a higher metallicity. | | Source: | arXiv, astro-ph/0304027 | | Services: | Forum | Review | PDF | Favorites | |
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