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Fig. 1


Left: 17.5′′ × 17.5′′ NACO Ks-band mosaic of the central cluster zoomed in to the inner 1−2′′ region around Sgr A*. The inner region is indicated by a dashed (white) circle. Right: a) map of the diffuse background light within a circle of 0.69′′ radius centered on the position of Sgr A*, shown here as a cross at the center. The projected orbit of the star S2 is over-plotted as an ellipse. b) The same map smoothed by convolution with a Gaussian beam of FWHM = 6 pixels. The contours levels are at 95%, 90%, 80%, 70%, 60%, 50%, 40%, 30%, 20% and 10% of the maximum flux value for each image.

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