Investigation of Properties of the Intercluster Medium Rich Clusters of Galaxies
Abstract
The statistical analysis of properties of 213 rich clusters of galaxies is performed. The existence of correlations between the X-ray luminosity and the temperature of the intracluster medium and between the X-ray luminosity and the velocity dispersion of the galaxies is confirmed. New anti-correlation between optical luminosities LHalpha and x-ray luminosities Lx of intracluster gas in clusters is discovered: log(LHalpha/LSun)=a-b(log(Lx/LSun)). The existence of sequences in the log(LHalpha/LSun)-log(Lx/LSun) plane testifies to that the masses of the intracluster gas in different clusters can differ significantly.
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