The X-ray coolest gas in cool core clusters

Details The X-ray coolest gas in cool core clusters The X-ray coolest gas in cool core clusters

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop...59s&link_type=abstract

XMM-Newton Proposal ID #05518302

Physics

Groups Of Galaxies, Clusters Of Galaxies, Supercluster, Abell 1835, Abell 1835, Xmm-Newton Proposal Id #05518302

Scientific paper

We propose to continue our programme of deep RGS observations by observing the next best three clusters spanning a range of redshift, luminosity and temperature in order to make definitive statements about the range of temperature in the clusters and the level of cooling. All three clusters have cool cores, short central cooling times and central radio sources. The main spectral target is the FeXVII emission lines at 15 and 17A, the ratio of which depends on the gas temperature in the 3-7 million K range. In the case of A1835 we shall for the first time probe mass cooling rates similar to the observed star formation rate. These observations will exploit the unique capability of the RGS, and build on one of XMM's major discoveries.

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