JWST observations of photodissociation regions - IV. Carbonaceous emission band subcomponents in NGC 7023 with distinct spatial distributions

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Table 2

PDR pack update based on NGC 7023.

Name	Wavelength (µm)	FWHM (µm)
Update for 3.8–4.8 µm
3.8	3.79	0.40
4.0	4.09	0.19
4.35	4.35	0.34
4.75^a	4.743	0.1
4.75 broad^a	4.743	0.35
Update for 16–18 µm
16.0A	15.86	0.289
16.0B	16.03	0.114
16.4A	16.402	0.040
16.4B	16.439	0.182
16.7^b	16.720	0.352
17.0 broad^b	16.997	0.464
17.2^b	17.170	0.219
17.4	17.374	0.224
17.7	17.771	0.362

Notes. ^aThe approximation in Van De Putte et al. (2025) consisted of a single, much broader 4.75 µm feature (FWHM ∼ 0.9 µm). ^bThese three features replace “16.765” and “17.112” from Van De Putte et al. (2025).

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