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- Title
Hot bubbles from active galactic nuclei as a heat source in cooling-flow clusters.
- Authors
Bruggen, Marcus; Kaiser, Christian R.
- Abstract
Discusses hydrodynamic simulations which showed that buoyant bubbles increase the cooling time in the inner regions of clusters and significantly reduce the deposition of cold gas. Implication of the absence of cold gas in the gaseous atmospheres of cooling-flow clusters; Assessment of the changes in the radiative cooling time of the cluster gas; Comparison between the lifetime of the activity of the central active galactic-nuclei and the evolutionary time scale of the cluster gas.
- Subjects
CLUSTER theory (Nuclear physics); COOLING; ACTIVE galactic nuclei
- Publication
Nature, 2002, Vol 418, Issue 6895, p301
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/nature00857