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Resolving molecular gas in the central galaxies of cooling flow clusters.

Edge, A. C. and Frayer, D. T. (2003) 'Resolving molecular gas in the central galaxies of cooling flow clusters.', Astrophysical journal : letters., 594 (1). L13-L17.

Abstract

We present aperture synthesis images of the CO (1-0) line emission in five central galaxies in cooling flow clusters using the Owens Valley Millimeter Array. Three of the five sources are significantly resolved, but the majority of the emission is from a compact (<20 kpc) region centered on the central galaxy. These results are consistent with the newly emerging view that cooling flows deposit much less gas over a shorter period in a smaller volume than previously thought. The size constraints derived imply that the molecular gas has a large (>1022 cm-2) column density. We review the implications of these results and the prospects for observations in the near future.

Item Type:Article
Keywords:Cooling flows, Galaxies, X-ray, Thermal emission, High-resolution, Star-clusters, XMM-Newton, Hydra-A, NGC-1275, Chandra, Abell-1795, Accretion.
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1086/378386
Record Created:20 May 2008
Last Modified:15 Mar 2011 12:34

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