Last updated on April 23, 2014 at 20:01 EDT
Abell S 1101 Sirsic 159-03
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Abell S 1101 (=Sirsic 159-03)

January 24, 2013
Shown are the EPIC-MOS X-ray contours of the Sirsic 159-03 cluster of galaxies, superimposed on an optical (Digitised Sky Survey) view of the corresponding region. The contours map the X-ray intensity distribution of the intra-cluster gas and the bottom graph illustrates the radial temperature profile of this X-ray emitting material. Courtesy J. Kaastra, SRON, Utrecht, NL.