Detailed Investigation of X-Ray Cavities in a Poor Cluster cD galaxy NGC 6338

Details Detailed Investigation of X-Ray Cavities in a Poor Cluster cD galaxy NGC 6338 Detailed Investigation of X-Ray Cavities in a Poor Cluster cD galaxy NGC 6338

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011scgg.conf...41p&link_type=abstract

"Structure in Clusters and Groups of Galaxies in the Chandra Era, 2011 Chandra Science Workshop held July 12-14, 2011. Edited by

Physics

Scientific paper

We present results based on the analysis of Chandra observations on the poor cluster cD galaxy NGC 6338, with an objective of examining properties of X-ray cavities. We have detected a pair of cavities, which are displaced ˜4.01kpc from X-ray center of the cluster. Both these cavities show a decrement in the surface brightness profile. Spectroscopic analysis enabled us to examine the variations in derived parameters like luminosity, electron density, entropy, metal abundance, temperature, and enthalpy, etc. We also derive various cavity properties like age, power, size and pressure within cavities. The energy associated with both cavities is 6.9 × 10^{58}, 5.6 × 10^{58} ergs, resp. Our results imply that these cavities are originated due to the AGN feedback associated with cluster cooling flow.

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