Fig. 1
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Comparison of hyperspectral data of the Perseus galaxy cluster as observed by two generations of X-ray spectro-imagers. The XMM- Newton/MOS (top) and Hitomi/SXS (bottom) data have pixels of 8″730″ and spectral channels of 15/1 eV respectively. The left panels show the counts maps summed over all spectral channels and the right panels the spectra summed over all pixels.
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