Fig. 7
Upper panel: the reduced χ2 distribution of the 135 fits, here split in high (>20°) and low Galactic latitude fields. Lower panel: the 104 XRB models (grey lines) with the median spectrum in evidence (thick black line). For this we over plot the two components: the Galactic bremsstrahlung (red dashed) and the extragalactic power-law (blue dashed).
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