Other
Scientific paper
Dec 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003phdt........14p&link_type=abstract
Thesis (PhD). COLUMBIA UNIVERSITY, Source DAI-B 64/06, p. 2716, Dec 2003, 186 pages.
Other
4
Scientific paper
We review the general observational properties of clusters of galaxies and discuss the physics of the intracluster medium. We describe many aspects of the in- flight calibration of the Reflection Grating Spectrometers (RGS) on XMM-Newton. We describe the construction of the instrument response functions and develop a number of event correction algorithms. We discuss the formulation of multivariate Monte Carlo methods for use in fitting X-ray spectra of spatially- resolved sources. We present detailed spatially-resolved spectroscopy results of the observation of Abell 1835 using the European Photon Imaging Cameras (EPIC) and the RGS as well as high resolution X-ray spectra of 13 other putative cooling-flow clusters of galaxies obtained with the RGS. The spectra exhibit strong emission from cool plasma at just below the ambient temperature, T 0, down to T0/2, but also exhibit a severe deficit of emission, relative to the predictions of the isobaric cooling-flow model at lower temperatures (
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