Cool core boundary
نویسندگان
چکیده
منابع مشابه
Beyond the Cool Core: The Formation of Cool Core Galaxy Clusters
Why do some clusters have cool cores while others do not? In this paper, cosmological simulations, including radiative cooling and heating, are used to examine the formation and evolution of cool core (CC) and non-cool core (NCC) clusters. Numerical CC clusters at z = 0 accreted mass more slowly over time and grew enhanced cool cores via hierarchical mergers; when late major mergers occurred, t...
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Radio AGN feedback in X-ray cool cores has been proposed as a crucial ingredient in the evolution of baryonic structures. However, it has long been known that strong radio AGN also exist in “noncool core” clusters, which brings up the question whether an X-ray cool core is always required for radio feedback. In this work, we present a systematic analysis of BCGs and strong radio AGN in 152 grou...
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We present results from recent simulations of the formation and evolution of clusters of galaxies in a ΛCDM cosmology. These simulations contain our most physically complete input physics to date including radiative cooling, star formation that transforms rapidly cooling material into aggregate star particles and we also model the thermal feedback from resulting supernovae in the star particles...
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We have obtained mid-infrared spectra of nine cool-core galaxy clusters with the Infrared Spectrograph aboard the Spitzer Space Telescope. X-ray, ultraviolet and optical observations have demonstrated that each of these clusters hosts a cooling flow which seems to be fueling vigorous star formation in the brightest cluster galaxy. Our goal is to use the advantages of the mid-infrared band to im...
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ژورنال
عنوان ژورنال: Nature Geoscience
سال: 2014
ISSN: 1752-0894,1752-0908
DOI: 10.1038/ngeo2114