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Fig. 3

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MIRI images from key spectral regions, namely, 6 µm: H2O ice, 9.8 µm: silicate, 15.2 µm: CO2 ice and 28.5 µm: continuum. The white circles show the regions used for spectral extraction. For IRS 4A we use an aperture size proportional to the size of the PSF, and for IRS 4B a constant size of 0.3″ is adopted.
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