Abstract.
Galaxy clusters are ideal probes of the large-scale structure of the Universe and for the tests of cosmological models. Based on the REFLEX redshift survey of X-ray selected clusters of galaxies we determine statistical properties of the galaxy cluster population, their spatial correlation, and the density fluctuation power spectrum of the cosmic matter distribution on large scales up to about 1 Gpc. Comparing these results with predictions of cosmological models we obtain tight constrains for the matter density parameter of the Universe, consistent with the combined results from observations of the microwave background anisotropies and distant type Ia supernovae.
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Böhringer, H., Schuecker, P., Guzzo, L., Collins, C.A. Constraining Cosmological Parameters with Observations of Galaxy Clusters. In: Shaver, P.A., DiLella, L., Giménez, A. (eds) Astronomy, Cosmology and Fundamental Physics. ESO ASTROPHYSICS SYMPOSIA. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10857580_4
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DOI: https://doi.org/10.1007/10857580_4
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-40179-7
Online ISBN: 978-3-540-44851-8
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