Keywords
Galaxy: Clusters: General
Gravitational Lensing
Astrophysics
Gravitational Lensing
Astrophysics
How to Cite
The dynamical state of massive galaxy clusters. (2006). Revista Mexicana De Astrofísica Y Astronomía Serie De Conferencias, 26, 111-112. https://doi.org/10.22201/ia.14052059p.2006.26.44
Abstract
We study the mass distribution of a sample of 24 X-ray bright Abell clusters through weak gravitational lensing. This method is independent of the dynamical state of the galaxy cluster. Hence, by comparing dynamical and lensing mass estimators, we can access the dynamical state of these clusters. We have found that clusters with ICM temperatures above 8 keV show strong deviations from the relaxation, as well as the presence of prominent sub-structures. For the remaining clusters (the majority of the sample) we have found agreement among the several mass estimators, which indicates that most of the clusters are in or close to a state of dynamical equilibrium.Similar Articles
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