Fig. 5.
Median of the fractional residuals from a single β-model (left panels) and a core-modeled single β-model (right panels) in 0.2 − 0.5 r500 radial bins for individual HIFLUGCS objects above a temperature of 3 keV as function of core radius. Bottom panels: β parameter is fixed to 2/3 in the surface brightness parameter optimization.
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