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Table 2.
Observed wavelength from SALT spectrum and relative fluxes of emission lines.
| Date | 2005 | 2006 | 2007 | 2008 | 2009 | 2015 | |
|---|---|---|---|---|---|---|---|
| MJD | 53693 | 54015 | 54393 | 54770 | 55135 | 57323 | |
| ID | λobserved (Å) | 100 × Flux / Flux(Hβ) | |||||
| [Ne III] 3869 | 3871.04 | 10 | 5 | 26 | |||
| H8, He I | 3892.73 | 12 | 5 | 17 | |||
| Hϵ | 3971.61 | 17 | 8 | 20 | 15 | ||
| Hδ | 4104.50 | 20 | 10 | 15 | 20 | 21 | |
| Hγ | 4343.67 | 35 | 24 | 31 | 40 | 39 | 33 |
| [O III] 4363 | 4366.14 | 8 | 7 | 12 | 21 | 31 | 11 |
| He II 4686 | 4689.46 | 54 | 51 | 61 | 76 | 66 | 59 |
| Hβ | 4865.15 | 100 | 100 | 100 | 100 | 100 | 100 |
| [O III] 4959 | 4962.98 | 12 | 17 | 26 | 42 | 52 | |
| [O III] 5007 | 5010.90 | 41 | 55 | 83 | 130 | 152 | 60 |
| He II 5412 | 5416.11 | 5 | 7 | 8 | 9 | 6 | 5 |
| [N II] 5755 | 5759.26 | 6 | 7 | 11 | 9 | 3 | |
| He I 5876 | 5880.54 | 13 | 16 | 10 | 8 | 7 | 11 |
| [Fe VII] 6086 | 6091.67 | 8 | 11 | 12 | 12 | 5 | |
| [O I] 6300 | 6305.21 | 6 | 11 | 11 | 3 | ||
| [Fe X] 6375 | 6379.89 | 16 | 46 | 49 | 48 | 34 | 28 |
| Hα + [N II] 6548 | 6568.66 | 661 | 1012 | 1000 | 616 | 536 | |
| [N II] 6584 | 6589.26 | 9 | 21 | 29 | 34 | 46 | 31 |
| He I 6678 | 6683.70 | 8 | 8 | 5 | 6 | ||
| O VI 6825 | 6835.45 | 15 | 19 | 19 | 10 | ||
| He I 7065 | 7070.96 | 15 | 18 | 12 | 10 | ||
| [Fe XI] 7892 | 7897.56 | 7 | |||||
| V⋆ (mag) | 15.60 | 15.95 | 15.90 | 16.40 | 16.60 | 16.35 | |
| Flux (Hβ ) (10−13 erg s−1 cm−2) | 3.8 | 3.6 | 2.1 | 1.5 | 4.4 | 2.36 | |
Notes: (⋆)Assumed magnitude used for scaling of the spectra.
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