A3112: Deep High-Resolution Spectroscopy of a Cooling Flow Cluster

Details A3112: Deep High-Resolution Spectroscopy of a Cooling Flow Cluster A3112: Deep High-Resolution Spectroscopy of a Cooling Flow Cluster

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop...77s&link_type=abstract

XMM-Newton Proposal ID #06030502

Physics

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, A3112, A3112

Scientific paper

XMM-Newton and Chandra observations imply some mechanism acting on hundreds of kpc scales feeds energy into the cluster gas and inhibits large cooling gas infalls into the central cD galaxy. Although many X-ray observations have been performed at CCD resolution, only a handful have taken advantage of the unique capabilities of the RGS to do diffuse high-resolution spectroscopy. We propose a high signal to noise (180 ksec) RGS observation of A3112, whose properties make it an ideal target for studying heating models. By measuring the centroids and shapes of the strong lines from O and the Fe L-shell, as well as emission from C and N features and searching for Fe XVII and fluorescence lines we will determine the physical characteristics in the cool core of A3112.

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