Open Access
Table B.1.
Parameters of emission lines in the two SALT spectra.
| Element | λ1 | FWHM | EQW |  |
Notes |
|---|---|---|---|---|---|
| (Å) | (Å) | (Å) | (km/s) | ||
| 02 December 2019 | |||||
| [O II] | 3729.1 ± 0.2 | 17.4 ± 0.5 | 332 ± 13 | 121 ± 17 | blend of 3726−3729 Å |
| [Ne III] | 3872.3 ± 0.1 | 12.1 ± 3.7 | 9.7 ± 3.7 | 252 ± 12 | blended with He I 3888.64 Å |
| He I | 3891.3 ± 0.9 | 14.0 ± 2.2 | 21.9 ± 4.1 | 182 ± 66 | blended with [Ne III] 3868.75 Å |
| [O III] | 3960.0 ± 1.6 | 11.7 ± 3.8 | 12.6 ± 6.0 | −143 ± 12 | uncertain identification |
| Hϵ | 3976.8 ± 1.1 | 13.7 ± 2.7 | 24.0 ± 8.2 | 483 ± 83 | blended possibly with [O III] 3961.59 Å |
| Hδ | 4105.8 ± 0.6 | 16.6 ± 1.5 | 39.5 ± 4.8 | 275 ± 47 | |
| Hγ | 4344.8 ± 0.3 | 17.1 ± 0.6 | 99.6 ± 4.9 | 273 ± 18 | |
| He I | 4477.03 ± 0.01 | 36.74 ± 0.01 | 5.0 ± 2.0 | 349.37 ± 0.01 | double-peaked, manually measured |
| Hβ | 4867.0 ± 0.3 | 16.7 ± 0.7 | 330 ± 17 | 328 ± 16 | with additional red-component |
| [O III] | 4965.5 ± 0.3 | 15.2 ± 0.8 | 240 ± 18 | 375 ± 19 | |
| [O III] | 5013.3 ± 0.3 | 16.0 ± 0.9 | 702 ± 51 | 365 ± 20 | |
| He I | 5883.4 ± 0.6 | 13.6 ± 1.4 | 113 ± 15 | 376 ± 29 | |
| Hα | 6569.7 ± 0.3 | 17.5 ± 0.7 | 1731 ± 89 | 294 ± 12 | blended with [N II] 6548 Å, and partially with 6584 Å |
| [N II] | 6593.4 ± 0.2 | 16.1 ± 0.6 | 8.6 ± 3.9 | 426.9 ± 7.3 | blended with Hα |
| [S II] | 6726.0 ± 0.3 | 20.5 ± 0.8 | 288 ± 14 | 402 ± 14 | blended with [S II] 6731 Å |
| [N II] | 7141.5 ± 0.6 | 18.3 ± 1.4 | 95.8 ± 9.6 | 88 ± 24 | uncertain identification or [Ar III] 7136 Å |
| [Ar III] | 208 ± 24 | if [Ar III] | |||
| [O III] | 7459.9 ± 0.3 | 18.3 ± 0.7 | 223 ± 11 | 159 ± 11 | |
| 15 December 2019 | |||||
| Hγ | 4344.35 ± 0.08 | 5.4 ± 0.2 | 64.0 ± 3.1 | 242.5 ± 5.7 | |
| Hβ | 4865.0 ± 0.1 | 5.6 ± 0.3 | 180 ± 11 | 206.0 ± 6.5 | |
| [O III] | 4963.0 ± 0.1 | 5.5 ± 0.4 | 106.7 ± 9.3 | 225.1 ± 9.1 | |
| [O III] | 5011.0 ± 0.5 | 5.4 ± 0.1 | 325.9 ± 9.4 | 224 ± 29 | |
| He I | 5879.9 ± 0.1 | 5.5 ± 0.3 | 92.3 ± 7.4 | 196.0 ± 6.9 | |
| [N II] | 6553.4 ± 0.8 | 9.6 ± 7.2 | 77.3 ± 7.5 | 223 ± 38 | |
| Hα | 6567.73 ± 0.08 | 5.5 ± 0.2 | 1264 ± 57 | 200.9 ± 3.6 | |
| [N II] | 6588.3 ± 0.7 | 5.8 ± 1.6 | 163 ± 60 | 200 ± 30 | |
| He I | 6683.6 ± 0.2 | 4.9 ± 0.5 | 15.0 ± 2.0 | 220.4 ± 9.0 | |
| [S II] | 6721.3 ± 0.1 | 5.9 ± 0.2 | 181.5 ± 9.6 | 193.9 ± 4.3 | |
| [S II] | 6735.6 ± 0.1 | 6.1 ± 0.3 | 132.0 ± 9.8 | 190.4 ± 6.2 | |
| [Ar III] | 7141.1 ± 0.1 | 4.9 ± 0.4 | 43.3 ± 4.1 | 192.9 ± 6.9 | |
Notes. All parameters were measured by Gaussian fits unless otherwise noted. 1 Line wavelength in Å. 2 Radial velocity heliocentric corrected.
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