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Table B.2.
pEW values (in milliångström) obtained for selected absorption lines using SPEXTRACTOR for the SN 2020ue and SN 2020nlb spectra.
| SN 2020ue | ||||
|---|---|---|---|---|
| line | -12d | -6d | -4d | -2d |
| Ca II H&K | 84.1± 9.1 | 64.5±17.0 | 62.3±13.0 | 61.5±12.9 |
| Si II 4000 | 7.9±5.9 | 19.3±16.5 | 20.8±14.6 | 3.6±3.3 |
| Mg II 4300 | 35.2±7.2 | 60.8±11.9 | 54.0±11.3 | 64.1±11.9 |
| Fe II 4800 | 89.8±4.2 | 71.2±6.4 | 82.6±6.8 | 90.9±6.9 |
| S II 5500 | 40.6±2.7 | 61.4±3.4 | 63.7±3.5 | 75.3±3.6 |
| Si II 5800 | 19.3±1.6 | 20.1±2.3 | 24.5±2.5 | 22.3±2.2 |
| Si II 6150 | 110.1±1.5 | 91.6±2.2 | 87.6±2.3 | 93.5±1.9 |
| line | -1d | +3d | +6d | +7d |
| Ca II H&K | 67.3±13.3 | 67.2±12.3 | 39.1±7.1 | 52.9±15.2 |
| Si II 4000 | 22.4±16.7 | 25.5±16.9 | 21.9±13.2 | 27.5±13.8 |
| Mg II 4300 | 67.9±11.1 | 73.9±14.7 | 79.0±13.8 | 84.2±9.9 |
| Fe II 4800 | 67.8±5.0 | 139.9±11.6 | 158.1±13.2 | 102.2±5.8 |
| S II 5500 | 84.8±3.5 | 88.1±5.9 | 51.2±5.7 | 39.7±3.5 |
| Si II 5800 | 18.2±2.0 | 18.5±3.9 | 32.2±3.2 | 12.5±1.6 |
| Si II 6150 | 98.3±1.9 | 100.6±3.2 | 95.3±1.9 | 114.3±1.6 |
| O I 7500 | 50.9±0.3 | 58.7±0.7 | 63.8±0.1 | 82.3±0.1 |
| SN 2020nlb | ||||
| line | -16d | -13d | -6d | +7d |
| Ca II H&K | 198.7±4.7 | 65.6±6.3 | 77.6±10.1 | 81.1±11.0 |
| Si II 4000 | 14.2±8.4 | 17.2±12.2 | 22.9±15.3 | 40.9±12.7 |
| Mg II 4300 | 103.9±11.7 | 25.4±7.4 | 16.3±6.8 | 71.9±8.4 |
| Fe II 4800 | 233.2±15.9 | 70.7±5.4 | 79.9±4.6 | 208.2±11.6 |
| S II 5500 | 8.5±10.2 | 53.4±5.2 | 73.6±3.4 | 49.5±6.0 |
| Si II 5800 | 10.9±5.9 | 23.8±3.1 | 23.6±2.0 | 21.2±3.1 |
| Si II 6150 | 99.9±6.8 | 108.0±3.7 | 104.3±2.1 | 108.1±2.6 |
| O I 7500 | 25.3±1.4 | 85.6±1.1 | 54.4±0.5 | 75.9±0.3 |
Notes. Line transitions here refer to the average position of their absorption wavelength in the observed spectra.
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