Fig. 8
The correlation between the 14–195 keV flux (10-12 erg cm-2 s-1) measured by the BAT experiment on Swift and the XSS 2–10 keV flux (10-12 erg cm-2 s-1) for the 37 cross matches. XSS hard+soft are shown as crosses, whereas XSS hard-only sources are shown as circles (red). The dotted lines represent BAT:XSS flux ratios of 1:1 and 10:1 respectively.
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