Table A.1.
Basic information of SN 2022ngb compared with other well-observed Type IIb SNe.
| SN | Explosion Epoch | Redshift | Distance | E(B − V)MW | E(B − V)Host | 56Ni Mass | Mej | MpreSN* | Source |
|---|---|---|---|---|---|---|---|---|---|
| [MJD] | z | [Mpc] | [mag] | [mag] | [M⊙] | [M⊙] | [M⊙] | ||
| 1993J | 49072.0 ± 0.5 | −0.00113 | 3.6 ± 0.3 | 0.069 | 0.11 | 0.1 | 1.9 | 3.1 | 1,2,3 |
| 2008ax | 54528.8 ± 0.2 | 0.00456 | 9.6 ± 0.5 | 0.022 | 0.278 | 0.1 | 2.7 | 3.3 | 4 |
| 2011dh | 55712.5 ± 0.3 | 0.001638 | 7.8 ± 1.0 | 0.035 | 0.05 | 0.07 | 2.1 | 3.1 | 5,6 |
| 2011fu | 55824.5 ± 2.0 | 0.01845 | 74.5 ± 5.2 | 0.068 | 0.035 | 0.15 | 3.5 | ∼5.0 | 7,8 |
| 2013df | 56447.8 ± 0.9 | 0.00239 | 21.4 ± 3.0 | 0.017 | 0.081 | 0.11 | 1.5 | ≲3.0 | 9,10 |
| 2015as | 57332.0 ± 2.0 | 0.0036 | 19.2 ± 1.2 | 0.008 | - | 0.08 | 1.2 | ∼2.7 | 11 |
| 2016gkg | 57651.7‡ | 0.0049 | 26.4 ± 5.3 | 0.0166 | 0.09 | 0.06 | 1.6 | 3.0 | 12,13,14 |
| 2020acat | 59192.0 ± 0.1 | 0.007932 | 35.3 ± 4.4 | 0.0207 | - | 0.13 | 1.7−2.3 | ∼4.5 | 15,16 |
| 2021bxu | 59246.3 ± 0.4 | 0.0178 | 72.0 ± 5.0 | 0.014 | - | 0.029 | 0.61 | 2.1 | 17 |
| 2022ngb | 59749.9 ± 0.5 | 0.00965 | 32.2 ± 2.8 | 0.085 | 0.085 | 0.045 | 3.1 | 4.7 | This work |
| 2022crv | 59627.3 ± 0.5 | 0.008091 | 34.4 ± 2.4 | 0.066 | 0.151 | 0.11 | 3.9 | 5.0 | 18 |
| 2024abfo | 60628.3 ± 0.1 | 0.003512 | 10.9 ± 1.3 | 0.0097 | - | 0.042 | 2.55−6.7 | 4.1−8.2 | 19,20 |
| 2024aecx | 60660.0 ± 0.8 | 0.002665 | 11.4 ± 0.6 | 0.45 | - | 0.15 | 0.70 | 2.2 | 21 |
Notes. Sources: 1 = Richmond et al. (1994); 2 = Barbon et al. (1995); 3 = Richmond et al. (1996); 4 = Pastorello et al. (2008); 5 = Sahu et al. (2013); 6 = Ergon et al. (2015); 7 = Kumar et al. (2013); 8 = Morales-Garoffolo et al. (2015); 9 = Morales-Garoffolo et al. (2014); 10 = Dyk et al. (2014); 11 = Gangopadhyay et al. (2018); 12 = Tartaglia et al. (2017); 13 = Arcavi et al. (2017); 14 = Bersten et al. (2018); 15 = Medler et al. (2022); 16 = Ergon et al. (2024); 17 = Desai et al. (2023); 18 = Gangopadhyay et al. (2023); 19 = de Wet et al. (2025); 20 = Reguitti et al. (2025) ; 21 = Zou et al. (2025). ‡: The discovery epoch is very close to its explosion epoch that the uncertainty is negligible. *: Data are retrieved mostly from Barmentloo et al. (2024), considering having a better estimation and more precise.
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