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A Morphological Classification of Clusters of Galaxies from Einstein Images
Published online by Cambridge University Press: 14 August 2015
Extract
The earliest Uhuru observations showed that cluster X-ray sources were not associated with single individual galaxies but were extended sources (Gursky et al. 1971, Kellogg et al. 1972, and Forman et al. 1972). The detection of iron line emission from X-ray spectroscopic observations (Mitchell et al. 1976 and Serlemitsos et al. 1977) showed both that the dominant X-ray emission process was thermal bremsstrahlung and that the gas had been processed through stellar systems before being injected into the intracluster medium.
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- Research Article
- Information
- Symposium - International Astronomical Union , Volume 97: Extragalactic Radio Sources , 1982 , pp. 97 - 106
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- Copyright © Reidel 1982
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