Fig. 4.
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Realisations of the power spectrum of CMB temperature fluctuations caused by the GWM of 10, 100, and 1000 mergers within a local (30 Mpc)3 box (pale lines). We find that the power spectra follow a universal scaling, ∝k−2.7, where k are the modes of the image (here in units of image resolution). The mean (thick lines) and the 2σ contours (shaded areas) are also displayed.
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