a) Plot of the Brγ diffuse SB profile before (blue) and after (red) subtraction of the appropriately scaled Pa α emission (green; multiplied by arbitrary factor to optimise the plot). The black line is for the best-fit power-law in the range R ≤ 25′′ (corresponding to R ≲ 1 pc for a GC distance of 8 kpc). b) As (a), but for the deep Ks image. c) As (a), but for the H image. d) As (a), but for the Ks S13 image.
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