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Fig. 5.

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Images obtained for the mosaicing data set, where north is up and east to the left. The flux is normalized by S29 in the mid and northwest pointings and by S38 in the rightmost panel. Images are computed as sample mean over all samples of a single GR run and have been convolved with a Gaussian of 1.6 mas standard deviation whose FWHM is indicated in the bottom left corner. The mid- and the S38-pointings extend the Sgr A*-centered images to the south west. S62 is not detectable in these images due to a combination of two effects. First, at this large distance from the image center, the already faint flux is further damped by the fiber profile; and secondly, the overall sensitivity of the images is reduced in comparison to the Sgr A* pointings because of the smaller number of exposures available.

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