Open Access
Table 1
Main parameters of the three SNe Ia in NGC 3147.
| NGC 3147 | Ref. | |
|---|---|---|
| heliocentric redshift | 0.00934 | 1 |
| E (B – V)MW | 0.021 mag | 2 |
| SN 1997bq | ||
| RA | 10h17m04s | 3 |
| Dec | +73°23′03″ | 3 |
| Tmax(B) | 50 558.0 MJD | 4 |
| Bmax | 14.57 mag | 4 |
| Δm15(B) | 1.01 mag | 4 |
| E (B – V)host | 0.11 mag | 5 |
| SN 2008fv | ||
| RA | 10h16m57s.28 | 6 |
| Dec | +73°24′36″ | 6 |
| Tmax(B) | 54 749.3 MJD | 7 |
| Bmax | 14.55 mag | 7 |
| Δm15(B) | 0.94 mag | 7 |
| E (B – V)host | 0.22 mag | 7 |
| SN 2021hpr | ||
| RA | 10h16m38s.68 | 8 |
| Dec | +73°24′0100″.80 | 8 |
| Tmax(B) | 59 321.9 MJD | 9 |
| Bmax | 14.017 mag | 9 |
| Δm15(B) | 0.949 mag | 9 |
| E (B – V)host | 0.00/0.07 mag | 9, 5 |
References. 1 – Epinat et al. (2008); 2 – Schlafly & Finkbeiner (2011); 3 – Laurie & Challis (1997); 4 – Jha et al. (2006); 5 – Ward et al. (2022); 6 – Nakano et al. (2008); 7 – Biscardi et al. (2012); 8 – Itagaki (2021); 9 – Zhang et al. (2022)
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