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Showing 1 to 3 of 3 for “"brightest cluster galaxy"”.
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Galaxy clusters as astrophysical laboratories and probes of cosmology
Galaxy clusters are the most recent of cosmological structures to have formed by the present time in the currently favoured hierarchical scenario of structure formation and are widely regarded as powerful probes of cosmology and galaxy formation physics alike. Over the past few years, it became …
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The evolution of dark and luminous structure in massive early-type galaxies
… that the dark matter halo of our nearest brightest cluster galaxy (BCG), M87, is centrally cored relative to the predictions of dark-matter-only models, and suggest an interpretation of this result in terms of dynamical heating due to the infall of satellite galaxies. Conversely, I find …
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The Use of Brightest Cluster Galaxies as Standard Candles Since z~1
<p>Finding a new way to measure distances to galaxy clusters would allow currentcosmological models to be tested and/or constrained. We propose to accomplish this byusing a distance indicator that was investigated by Postman and Lauer (1995). They useda relationship discovered by Hoessel (1980) …