Astronomy and Astrophysics – Astrophysics
Scientific paper
2004-06-24
Astronomy and Astrophysics
Astrophysics
14 pages, 17 encapsulated figures, MNRAS in press
Scientific paper
10.1111/j.1365-2966.2004.08148.x
In this paper we present the analysis of Beppo-SAX observations of the cluster pairs A2061-A2067 and A2122-A2124, located in the Corona Borealis supercluster, which have been selected as candidate merging clusters. The aim of this work is to study the physics of the intracluster medium and to look for the possible presence of merging signatures. We derived the global temperatures and abundances and the temperature profiles and maps for these clusters. We do not find any significant evidence of interaction between the clusters forming the pairs, but we detect a candidate shock inside A2061. On the basis of the X-ray and optical properties of this cluster we propose a scenario in which a group is falling inside A2061. This interaction is in the phase in which the cores have not encountered yet and in which the formation of a shock is expected.
Bardelli Sandro
Cappi Alberto
de Grandi Sabrina
Diaferio Antonaldo
Ettori Stefano
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