o vii emission in stacked cluster spectra
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
O VII emission in stacked cluster spectraSanders & Fabian (2011)
in press1.2 Ms exposure
kT < 1 keV subsample
Jeremy Sanders, IoA, Cambridge
• 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