X-ray Spectroscopy of Clusters of Galaxies with XMM-Newton

Details X-ray Spectroscopy of Clusters of Galaxies with XMM-Newton X-ray Spectroscopy of Clusters of Galaxies with XMM-Newton

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000head....5.1322p&link_type=abstract

American Astronomical Society, HEAD Meeting #5, #13.22; Bulletin of the American Astronomical Society, Vol. 32, p.1201

Astronomy and Astrophysics

Astronomy

Scientific paper

We present high-resolution X-ray spectra with the Reflection Grating Spectrometer (RGS) and medium-resolution X-ray spectra and images with the European Photon Imaging Camera (EPIC) of clusters of galaxies. The RGS has the unique ability to produce high-resolution spectra of moderately extended objects. This has enabled detailed spectroscopy of compact and luminous clusters of galaxies. We present the first spectra of a selection of clusters that have been observed with the XMM-Newton. Through spatially-resolved spectroscopy, we constrain the temperature and density structure of the X-ray emitting gas. We make elemental abundance determinations and emission line optical depth measurements. We relate the measurements to cooling-flow models, discuss the dark matter fraction of clusters, and address the origin of the intergalactic medium.

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