Source subtraction. Left: deep Ks-band mosaic (see Paper I). Middle: deep Ks-band mosaic with all detected stars subtracted, using a single, constant PSF, for the entire field. Right: deep Ks-band mosaic with all detected stars subtracted, using a locally extracted PSF kernel merged with a constant halo, that is estimated from IRS 7. Typical features of the mini-spiral of gas are indicated. Logarithmic colour scale in all images, with the same scale used in the middle and right panels. North is up and east is to the left.
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