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Fig. 1.

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HST/WFC3 image and color map of MCG−05−23−16. Left: 10″ × 10″ image obtained using the filter F606Wref ∼ 5889 Å). The JWST/MIRI/MRS FoV of Channel 4 (Ch4) is shown with a dashed white rectangle. The horizontal white line indicates the physical size of 1″. Right: V-H color map using the F606W (left panel) and F160Wref ∼ 15 369 Å) images. The innermost region of the map has been masked using a solid black circle of 1.5 × FWHM of the F160W filter (1.5 × 0 . $ \overset{\prime \prime }{.} $18) to avoid artifacts due to the mismatch between the different PSFs of F606W and F160W. The dashed blue circles correspond to the regions used to extract the JWST/MIRI nuclear spectrum considering the correction per aperture (Ch1-s: diameter of 0 . $ \overset{\prime \prime }{.} $8 ≃ 141 pc – Ch4-l: 2 . $ \overset{\prime \prime }{.} $5 ≃ 440 pc). The dashed white circle corresponds to the region that extracts the extended (diameter of 3 . $ \overset{\prime \prime }{.} $6 ≃ 634 pc) JWST/MIRI spectrum. The nuclear and extended spectra are shown in Fig. 2 with solid orange and blue lines, respectively. The Spitzer/IRS SL (3 . $ \overset{\prime \prime }{.} $6 × 57″, PA = 187°) slit is shown with dashed cyan lines. A dust lane resembling a nuclear spiral can be seen southwest and northeast of the nucleus. See also Fig. A.1.

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