Data di Pubblicazione:
2001
Citazione:
X-ray clusters of galaxies as tracers of structure in the Universe / S. Borgani, L. Guzzo. - In: NATURE. - ISSN 0028-0836. - 409:6816(2001), pp. 39-45. [10.1038/35051000]
Abstract:
Clusters of galaxies are visible tracers of the network of matter in the Universe, marking the high-density regions where filaments of dark matter join together. When observed at X-ray wavelengths these clusters shine like cosmic lighthouses, as a consequence of the hot gas trapped within their gravitational potential wells. The X-ray emission is linked directly to the total mass of a cluster, and so can be used to investigate the mass distribution for a sizeable fraction of the Universe. The picture that has emerged from recent studies is remarkably consistent with the predictions for a low-density Universe dominated by cold dark matter.
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
Campanas redshift survery; spatial correlation-function; all-sky survery; rich clusters; cosmological constraints; abell clusters; power spectrum; sample; mass; catalog
Elenco autori:
S. Borgani, L. Guzzo
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