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A Metal Enriched Dark Cluster of Galaxies at Z = 1

Published online by Cambridge University Press:  19 July 2016

M. Hattori*
Affiliation:
Astronomical Institute, Touhoku University Aoba Aramaki, Aoba, Sendai 980-77, Japan

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Looking for and studying very distant galaxy clusters, clusters at z > 1, are one of the prime subjects of the modern observational cosmology. If the metallicity of the hot intra-cluster medium in very distant galaxy clusters is measured for example, it provides fruitful informations for us to understand the formation and evolution of galaxies. However, difficulty of the study is that there is few confirmed very distant galaxy clusters yet. We first have to search for very distant clusters but it requires very deep observations. A random selection of sky is not practical. We have to select the sky. In this article, it is demonstrated that missing lens problem has close connection with very distant cluster of galaxies and dark lens searches could open a new window for studying very distant cluster of galaxies.

Type
Conference Papers in order of Presentation
Copyright
Copyright © 2002 

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