The rich JWST spectrum of the western nucleus of Arp 220: Shocked hot core chemistry dominates the inner disc

Open Access

Fig. 1.

MIRI false-colour image of Arp 220 using the F1280W (red), F1130W (green), and F770W (blue) filters. The blue rectangles indicate the smallest (channel 1) and largest (channel 4) fields of view of the MRS observations. The cyan circles indicate extraction apertures for the western and eastern nuclei, both with a radius of 0 $\binom{″}{\cdot}$ ${{\prime\prime \atop \cdot }}$ 435.

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