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Table B.1.
Best-fit polynomial coefficients for the strong-line metallicity calibrations adopted in this paper.
| Diagnostics | c0 | c1 | c2 | c3 | c4 | c5 |
|---|---|---|---|---|---|---|
| R2 | 0.4326 | -1.0751 | -5.1141 | -5.5321 | -2.3009 | -0.2850 |
| R3 | -0.2768 | -3.1422 | -2.73 | -0.6003 | – | – |
| R̂ | -0.0478 | -3.0707 | -3.4164 | -1.0034 | -0.0379 | – |
| R23 | 0.5145 | -1.4633 | -1.3891 | -0.2847 | – | – |
| O32 | -0.6915 | -2.6856 | -1.1642 | – | – | – |
| Ne3O2 | -1.632 | -2.0606 | -0.46088 | – | – | – |
| N2 | -0.4725 | 1.0428 | -5.2680 | -10.1788 | -6.699 | -1.4815 |
| S2 | -0.4420 | -0.3194 | -6.6187 | -10.5222 | -6.5198 | -1.4172 |
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