Open Access
Table B.1.
Best-fit SYN++ parameter values of the modeled spectra of SN 2021aatd. The global parameters are Tph (1000K) and vph (103 km s−1). The local parameters are log τ (–), vmin (103 km s−1), vmax (103 km s−1), aux (103 km s−1), and Texc (1000 K).
| Ions | H I | He I | Na I | Mg I | Mg II | Ca II | Ti II | Fe II | Sr II | Ba II |
|---|---|---|---|---|---|---|---|---|---|---|
| SN 2021aatd +2 days phase (Tph = 9; vph = 16) | ||||||||||
| log τ | 1.3 | 0.0 | ||||||||
| vmin | 16.0 | 16.0 | ||||||||
| vmax | 30.0 | 30.0 | ||||||||
| aux | 1.0 | 2.0 | ||||||||
| Texc | 8.0 | 25.5 | ||||||||
| SN 2021aatd +4 days phase (Tph = 11; vph = 15) | ||||||||||
| log τ | 1.2 | -0.2 | ||||||||
| vmin | 15.0 | 15.0 | ||||||||
| vmax | 30.0 | 30.0 | ||||||||
| aux | 1.0 | 2.0 | ||||||||
| Texc | 7.5 | 7.5 | ||||||||
| SN 2021aatd +6 days phase (Tph = 7.5; vph = 14) | ||||||||||
| log τ | 1.0 | |||||||||
| vmin | 14.0 | |||||||||
| vmax | 30.0 | |||||||||
| aux | 2.0 | |||||||||
| Texc | 2.6 | |||||||||
| SN 2021aatd +14 days phase (Tph = 6.5; vph = 10) | ||||||||||
| log τ | 1.9 | 0.0 | 0.5 | |||||||
| vmin | 10.0 | 20.0 | 10.0 | |||||||
| vmax | 30.0 | 30.0 | 30.0 | |||||||
| aux | 2.0 | 10.0 | 1.0 | |||||||
| Texc | 6.5 | 5.5 | 5.5 | |||||||
| SN 2021aatd +19 days phase (Tph = 6; vph = 9) | ||||||||||
| log τ | 1.7 | 0.0 | 0.0 | 2.5 | ||||||
| vmin | 9.0 | 9.0 | 9.0 | 9.0 | ||||||
| vmax | 30.0 | 30.0 | 30.0 | 30.0 | ||||||
| aux | 2.0 | 2.0 | 2.0 | 2.0 | ||||||
| Texc | 5.0 | 5.0 | 5.0 | 5.5 | ||||||
| SN 2021aatd +24 days phase (Tph = 6; vph = 8) | ||||||||||
| log τ | 1.7 | -0.3 | 2.3 | 0.0 | 0.5 | |||||
| vmin | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | |||||
| vmax | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | |||||
| aux | 2.0 | 2.0 | 2.0 | 1.0 | 1.0 | |||||
| Texc | 5.0 | 5.0 | 5.5 | 5.0 | 5.0 | |||||
| SN 2021aatd +33 days phase (Tph = 6; vph = 7) | ||||||||||
| log τ | 1.7 | -0.3 | 2.3 | -0.5 | 0.6 | 2.2 | 0.9 | |||
| vmin | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | |||
| vmax | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | |||
| aux | 2.0 | 2.0 | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | |||
| Texc | 5.0 | 5.0 | 5.5 | 5.0 | 5.0 | 5.0 | 5.0 | |||
| SN 2021aatd +44 days phase (Tph = 6.5; vph = 6) | ||||||||||
| log τ | 1.7 | -0.3 | 0.0 | 2.6 | 0.5 | 0.5 | 2.2 | 0.9 | ||
| vmin | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | ||
| vmax | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | ||
| aux | 2.0 | 2.0 | 2.0 | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | ||
| Texc | 5.0 | 5.0 | 5.0 | 5.5 | 5.0 | 5.0 | 5.0 | 5.0 | ||
| SN 2021aatd +70 days phase (Tph = 6.5; vph = 5) | ||||||||||
| log τ | 1.3 | -0.3 | 0.0 | 2.9 | 0.1 | 0.5 | 0.5 | 0.5 | ||
| vmin | 5.0 | 5.0 | 5.0 | 6.0 | 5.0 | 6.0 | 5.0 | 5.0 | ||
| vmax | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | ||
| aux | 2.0 | 2.0 | 2.0 | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | ||
| Texc | 5.0 | 5.0 | 5.0 | 5.5 | 5.0 | 5.0 | 5.0 | 5.0 | ||
| SN 2021aatd +83 days phase (Tph = 6.3; vph = 5) | ||||||||||
| log τ | 1.3 | -0.3 | 0.0 | 2.9 | -0.3 | 0.3 | 0.5 | 0.5 | ||
| vmin | 5.0 | 5.0 | 5.0 | 6.0 | 5.0 | 6.0 | 5.0 | 5.0 | ||
| vmax | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | ||
| aux | 2.0 | 2.0 | 2.0 | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | ||
| Texc | 5.0 | 5.0 | 5.0 | 5.5 | 5.0 | 5.0 | 5.0 | 5.0 | ||
| SN 2021aatd +98 days phase (Tph = 6; vph = 5) | ||||||||||
| log τ | 1.3 | -0.3 | 0.0 | 2.9 | 0.3 | 0.5 | 1.0 | 0.5 | ||
| vmin | 5.0 | 5.0 | 5.0 | 6.0 | 5.0 | 6.0 | 5.0 | 5.0 | ||
| vmax | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | ||
| aux | 2.0 | 2.0 | 2.0 | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | ||
| Texc | 5.0 | 5.0 | 5.0 | 5.5 | 5.0 | 5.0 | 5.0 | 5.0 | ||
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