Table 2.
Best-fit parameters for the disc properties in NGC 424, inferred with the MOKA3D framework (see also Sect. 4.1).
| Parameter | Free | H2S(1) | [Ne III] | CO(2-1) | [O III] |
|---|---|---|---|---|---|
| β | Y | 55 ± 4 | 65 ± 9 | 58 ± 4 | 60 ± 9 |
| Vrot | Y | 188 ± 38 | 176 ± 44 | 90 ± 42 | 198 ± 46 |
| Vdisp | Y | 60 ± 25 | 75 ± 20 | 75 ± 15 | 65 ± 10 |
| PA | N | 28 | 28 | 28 | 28 |
| Nshell | N | 9 | 9 | 8 | 20 |
Notes. From left to right: Parameter name, label to specify if the parameter is free (Y) or fixed (N), and tracer of a specific gas phases fitted with MOKA3D. The optimised parameters are the disc inclination (β), the circular velocity (Vrot), and the disc intrinsic velocity dispersion (Vdisp). The disc position angle (PA) is kept fixed during the fit. For a comprehensive discussion of each model parameter see Marconcini et al. (2023). Nshell is the number of concentric circular shells used to reproduce the observed features. Here we list the disc inclination averaged across the radius and the maximum disc circular velocity inferred with MOKA3D. A detailed discussion of the disc rotation curve is presented in Sect. 4.1 and shown in Fig. 5.
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