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Suppression of thermal conduction in non-cooling flow clusters | | Biman B. Nath
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5 Feb 2003 | | Journal: | Mon.Not.Roy.Astron.Soc. 340 (2003) L1 | | Subject: | astro-ph | | Affiliation: | Raman Research Institute, India | | Abstract: | Recent X-ray observations have revealed a universal temperature profile of the intracluster gas of non-cooling flow clusters which is flat for r le 0.2 r_{180}. Numerical simulations, however, obtain a steeper temperature profile in the inner region. We study the effect of thermal conduction on the intracluster gas in non-cooling flow clusters in light of these observations, using the steep temperature profiles obtained by authors of numerical simulations. We find that given 10^{10} yr for the intracluster gas to evolve, thermal conduction should be suppressed from the classical value by a factor sim 10^{-3} in order to explain the observations. | | Source: | arXiv, astro-ph/0302072 | | Services: | Forum | Review | PDF | Favorites | |
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