Left: Planck universal pressure profile (black line), together with the best-fit profile obtained for CL J1226.9+3332 in green with the 1σ error as a light green shadow accounting for all PPC, FPC, and NNN profile’s. The Planck average of the individual pressure profiles across the 62 nearby cluster sample is given as red data points and the stacked pressure profile derived from the XMM data for the same sample is also given as purple dots (Planck Collaboration Int. V 2013). The dispersion about the respective tSZ and X-ray profiles are shown by shaded area with similar (lighter) colors. The scale corresponding to the one at which the NIKA data start to be affected by filtering is also given as a vertical dashed line. Right: Planck Y500–M500 calibration (Planck Collaboration XX 2014), together with the NIKA value obtained for CL J1226.9+3332 in the case of the PPC pressure profile parameterization. The Planck scaling law is represented as a black line, and the data points of the clusters used for its calibration are given as black dots. The NIKA data point is given by the red star.
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