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Studies in the X-Ray Emission of Clusters of Galaxies and Other TopicsThe paper discusses the following: (1) X-ray study of groups of galaxies with Chandra and XMM. (2) X-ray properties of point sources in Chandra deep fields. (3) Study of cluster substructure using wavelet techniques. (4) Combined study of galaxy clusters with X-ray and the S-Z effect. Groups of galaxies are the fundamental building blocks of large scale structure in the Universe. X-ray study of the intragroup medium offers a powerful approach to addressing some of the major questions that still remain about almost all aspects of groups: their ages, origins, importance of composition of various galaxy types, relations to clusters, and origin and enrichment of the intragroup gas. Long exposures with Chandra have opened new opportunities for the study of X-ray background. The presence of substructure within clusters of galaxies has substantial implications for our understanding of cluster evolution as well as fundamental questions in cosmology.
Document ID
Acquisition Source
Goddard Space Flight Center
Document Type
Contractor or Grantee Report
Vrtilek, Jan
(Smithsonian Astrophysical Observatory Cambridge, MA United States)
Thronson, Harley
Date Acquired
August 20, 2013
Publication Date
May 1, 2001
Subject Category
Funding Number(s)
Distribution Limits
Work of the US Gov. Public Use Permitted.
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