Emission Lines in X-ray Spectra of Clusters of Galaxies

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dc.creatorTozzi, Paolo
dc.date2007-08-06
dc.date.accessioned2026-07-07T10:57:02Z
dc.date.available2026-07-07T10:57:02Z
dc.descriptionEmission lines in X-ray spectra of clusters of galaxies reveal the presence of heavy elements in the diffuse hot plasma (the Intra Cluster Medium, or ICM) in virial equilibrium in the dark matter potential well. The relatively simple physical state of the ICM allows us to estimate, with good accuracy, its thermodynamical properties and chemical abundances. These measures put strong constraints on the interaction processes between the galaxies and the surrounding medium, and have significant impact on models of galaxy formation as well. This field is rapidly evolving thanks to the X-ray satellites Chandra and XMM-Newton. Among the most relevant progresses in the last years, we briefly discuss the nature of cool cores and the measure of the Iron abundance in high redshift clusters. Future X-ray missions with bolometers promise to provide a substantial step forward to a more comprehensive understanding of the complex physics of the ICM.
dc.description8 pages, 3 figures, Proceedings of the VI Serbian Conference on Spectral Line Shapes in Astrophysics, Sremski Karlovci, Serbia June 11-15 2007
dc.identifierhttps://arxiv.org/abs/0708.0674
dc.identifierhttp://arxiv.org/abs/0708.0674
dc.identifierAIPConf.Proc.938:43-50,2007
dc.identifierdoi:10.1063/1.2800151
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/186617
dc.subjectAstrophysics
dc.titleEmission Lines in X-ray Spectra of Clusters of Galaxies
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