Fig. 5.
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Spectral analysis of PSZ2G091. Left: Spectral index map at 1.9″, using 145 MHz and 3.0 GHz observations. Central: Spectral index map and 3.0″ using 145 MHz, 1.5 GHz, and 3.0 GHz observations. Right: Spectral curvature map at 3.0″. Radio contours in each panel are taken from the ILT 145 MHz at the corresponding resolution and are drawn starting from the 3σrms level.
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