Open Access
Table 1.
Measured parameters of SN 2018xx and SN 2019gbx.
| Parameter | SN 2018xx | SN 2019gbx |
|---|---|---|
| Bmax | 14.48 ± 0.02 mag | 14.63 ± 0.03 mag |
| Mmax(B) | −19.00 ± 0.11 mag | −19.38 ± 0.06 mag |
| E(B − V)host | 0.02 ± 0.07 mag | 0.01 ± 0.07 mag |
| △m15(B) | 1.48 ± 0.07 mag | 1.37 ± 0.07 mag |
| SBV | 0.78 ± 0.04 | 0.84 ± 0.03 |
| Tmax(B) | 58184.29 ± 0.36 days | 58647.39 ± 0.39 days |
| Peak luminosity | (1.12 ± 0.08)×1043 erg s−1 | (1.16 ± 0.13)×1043 erg s−1 |
| FLT | 58168.62 ± 0.07 days | 58631.89 ± 0.10 days |
| Rise time | 15.7 ± 0.4 days | 15.5 ± 0.4 days |
| MNi | 0.40 ± 0.02 M⊙ | 0.46 ± 0.03 M⊙ |
| v0(Si II) | 10 482 ± 314 km s−1 | 10 447 ± 314 km s−1 |
| R(Si II) | 0.26 ± 0.04 | 0.22 ± 0.01 |
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