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Table A.1
Initial guess and limits used for each parameter in the fit of the SN1, SN2 and SN3 spectral cubes.
| Component | Position | Amplitude | Width | ||||
|---|---|---|---|---|---|---|---|
| (cm−1) | (erg cm−2 s−1 Å−1) | (cm−1) | |||||
| Initial | Limits | Initial | Limits | Initial | Limits | ||
| SN1 | Continuum | N/A | 1 × 10−16 | >0 | N/A | ||
| [O II] 3726 (red) | 26 800 | 26 798.1-26 801.9 | 1 × 10−16 | >0 | 2 | >0 | |
| [O II] 3726 (main) | 26 808 | 26 806.1-26 809.9 | 5 × 10−16 | >0 | 2 | >0 | |
| [O II] 3726 (blue) | 26 816 | 26 814.1-26 817.9 | 1 × 10−16 | >0 | 2 | >0 | |
| [O II] 3729 (red) | 26 820 | 26 818.1-26 821.9 | 1 × 10−16 | >0 | 2 | >0 | |
| [O II] 3729 (main) | 26 828 | 26 826.1-26 829.9 | 5 × 10−16 | >0 | 2 | >0 | |
| [O II] 3729 (blue) | 26 836 | 26 834.1-26 837.9 | 1 × 10−16 | >0 | 2 | >0 | |
| SN2 | Continuum | N/A | 1 × 10−17 | >0 | N/A | ||
| [O III] 5007 | 19 970 | 19 966.5-19 974 | 1 × 10−16 | >0 | 10 | >0 | |
| [O III] 4960 | 20 164 | 20 157-20 171 | 4 × 10−17 | >0 | 10 | >0 | |
| Hβ | 20 570.5 | 20 566-20 575 | 1 × 10−16 | >0 | 10 | >0 | |
| SN3 | Continuum | N/A | 1 × 10−17 | >0 | N/A | ||
| [S II] 6731 | 14 852 | 14 848-14 859 | 3 × 10−17 | >0 | 3.7 | >0 | |
| [S II] 6717 | 14 885 | 14 879-14 891 | 3.5 × 10−17 | >0 | 5 | >0 | |
| [N II] 6584 | 15 185 | 15 180-15 190 | 7.5 × 10−17 | >0 | 5 | >0 | |
| Hα | 15 233 | 15 230-15 236 | 4 × 10−16 | >0 | 5 | >0 | |
| [N II] 6548 | 15 267 | 15 262-15 273 | 5 × 10−17 | >0 | 5 | >0 | |
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