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    Theoretical models of X-ray emission from rich clusters of galaxies (1981)
    In:  Other Sources
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    Publication Date: 2019-07-13
    Description: After assessing the theory of cluster gas with polytropic equations of state, and discussing the prediction of local polytropic indices in the gas distribution, attention is given to the consequences of modifying the equation of state by thermal cooling in the central regions of the cluster. It is suggested that, if the equation of state can be understood locally, an attempt may be made at (1) predicting the X-ray luminosities of the clusters at distant cosmological epochs and (2) measuring the evolution of the cluster's potential, through observation of the evolution of X-ray luminosity and surface brightness.
    Keywords: ASTROPHYSICS
    Type: In: X-ray astronomy with the Einstein satellite; Jan 28, 1980 - Jan 30, 1980; Cambridge, MA
    Format: text
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