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O VII emission in stacked cluster spectra

O VII emission in stacked cluster spectra. Sanders & Fabian (2011) in press. 1.2 Ms exposure kT < 1 keV subsample. O VII detected for 1 st time Ratio O VII/Fe XVII is 1/4 to 1/8 expected for radiative cooling N VII / O VIII implies around 4 solar on average.

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O VII emission in stacked cluster spectra

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  1. O VII emission in stacked cluster spectra Sanders & Fabian (2011) in press 1.2 Ms exposure kT < 1 keV subsample • O VII detected for 1st time • Ratio O VII/Fe XVII is 1/4 to 1/8 expected for radiative cooling • N VII / O VIII implies around 4 solar on average Jeremy Sanders, IoA, Cambridge

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