Table A.2.
Metallicity averages and radial gradients calculated using circular radii for the systems.
| Galaxy | Mean | Median | Mode |  |
∇[Fe/H](R/Re)circ | ∇[Fe/H](R)circ |
|---|---|---|---|---|---|---|
| [dex] | [′] | [dex  ] |
[dex kpc−1] | |||
| SMC | −1.03 | −0.99 | −0.99 | 66.3 | −0.128 ± 0.006 | −0.103 ± 0.00 |
| Fnx | −1.16 | −1.03 | −1.02 | 15.5 | −0.24 ± 0.02 | −0.38 ± 0.03 |
| LeoI | −1.45 | −1.44 | −1.41 | 2.93 | −0.12 ± 0.01 | −0.51 ± 0.05 |
| Scl | −1.79 | −1.98 | −2.11 | 9.9 | −0.21 ± 0.01 | −0.88 ± 0.05 |
| LeoII | −1.63 | −1.62 | −1.43 | 2.37 | −0.14 ± 0.03 | −0.91 ± 0.19 |
| Car | −1.75 | −1.68 | −1.68 | 8.1 | −0.03 ± 0.03 | −0.13 ± 0.11 |
| Sxt | −2.10 | −2.28 | −2.34 | 18.3 | −0.28 ± 0.05 | −0.62 ± 0.12 |
| AntlII | −1.08 | −1.36 | −1.16 | 60.0 | −0.10 ± 0.05 | −0.05 ± 0.02 |
| UMi | −2.13 | −2.15 | −2.13 | 12.2 | −0.09 ± 0.02 | −0.31 ± 0.09 |
| Dra | −2.01 | −1.94 | −1.71 | 8.04 | −0.12 ± 0.01 | −0.61 ± 0.08 |
| CVnI | −1.92 | −1.94 | −1.85 | 5.5 | 0.00 ± 0.09 | 0.00 ± 0.26 |
| CratII | −1.91 | −1.92 | −1.75 | 29.3 | 0.00 ± 0.09 | 0.00 ± 0.09 |
| M32 | −1.27 | −1.15 | −0.84 | 0.41 | 0.00 ± 0.04 | 0.00 ± 0.43 |
| N205 | −0.86 | −0.78 | −0.90 | 1.86 | 0.00 ± 0.02 | 0.00 ± 0.05 |
| N185 | −0.96 | −0.93 | −0.87 | 2.60 | −0.23 ± 0.03 | −0.49 ± 0.06 |
| N147 | −0.55 | −0.46 | −0.46 | 4.9 | 0.01 ± 0.05 | 0.01 ± 0.05 |
| AndVII | −1.26 | −1.20 | −1.41 | 3.3 | 0.00 ± 0.14 | 0.00 ± 0.19 |
| AndII | −1.25 | −1.24 | −1.24 | 5.5 | −0.36 ± 0.07 | −0.35 ± 0.07 |
| AndV | −1.84 | −1.88 | −1.90 | 1.3 | −0.11 ± 0.05 | −0.42 ± 0.18 |
| N6822 | −1.06 | −1.02 | −0.85 | 10.14 | −0.47 ± 0.13 | −0.34 ± 0.09 |
| IC1613 | −1.19 | −1.08 | −1.20 | 6.77 | −0.06 ± 0.08 | −0.04 ± 0.05 |
| WLM | −1.29 | −1.24 | −1.17 | 2.8 | 0.00 ± 0.03 | 0.00 ± 0.04 |
| VV124 | −1.46 | −1.52 | −1.94 | 0.85 | −0.14 ± 0.03 | −0.43 ± 0.09 |
| LeoA | −1.55 | −1.59 | −1.71 | 1.75 | −0.12 ± 0.04 | −0.32 ± 0.10 |
| PegDIG | −1.39 | −1.31 | −1.02 | 2.53 | −0.11 ± 0.07 | −0.20 ± 0.13 |
| SagDIG | −1.74 | −1.84 | −1.58 | 0.95 | 0.00 ± 0.06 | 0.00 ± 0.20 |
| Cet | −1.80 | −1.72 | −1.83 | 2.6 | −0.14 ± 0.05 | −0.25 ± 0.09 |
| Aqu | −1.60 | −1.59 | −1.79 | 1.12 | −0.18 ± 0.06 | −0.51 ± 0.16 |
| Phx | −1.58 | −1.52 | −1.16 | 1.9 | −0.44 ± 0.04 | −1.93 ± 0.18 |
| Tuc | −1.67 | −1.62 | −1.37 | 0.8 | −0.06 ± 0.05 | −0.30 ± 0.22 |
Notes. Columns 2-4 show the calculated arithmetic mean, median, and mode of the [Fe/H] distributions of our galaxy sample (Col. 1), while Cols. 6-7 show [Fe/H] gradients calculated assuming circular radii, with the 2D geometric half-light radii reported in Col. 5 (values adapted from Battaglia et al. 2022, and the references listed in Table A.1).
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