SN 2012Z
- Host galaxy
- NGC 1309
- Right ascension (α)
- 50.52 deg
- Declination (δ)
- −15.39 deg
- Distance (d)
- 29.77 Mpc ± 2.76 Mpc
- Recession velocity (vrec)
- 2061 km/s Virgo infall + Great Attractor corrected
- Redshift (z)
- 0.0069
- Photometry
- Yes · 583 observations
- Spectra
- 44 spectra
Measurements
Each column groups the values reported together by one source entry. Empty cells mean that source did not report that property.
| Publications | Foley et al. (2013) Schwab et al. (2025) Yamanaka et al. (2015) Magee et al. (2017) Singh et al. (2023) | Stritzinger et al. (2015) Barna et al. (2018) |
|---|---|---|
| Host galaxy reddening (E(B−V)host) | 0.07 mag | N/A |
| Milky Way reddening (E(B−V)MW) | 0.04 mag | N/A |
| Absolute peak magnitude — B band (MB) | −18.06 mag ± 0.2 mag | −18.27 mag ± 0.09 mag |
| Absolute peak magnitude — r band (Mr) | −18.37 mag ± 0.2 mag | −18.6 mag ± 0.09 mag |
| Absolute peak magnitude — V band (MV) | −18.22 mag ± 0.2 mag | −18.5 mag ± 0.09 mag |
| Apparent peak magnitude — B band (mB) | 14.74 mag ± 0.001 mag | 14.75 mag ± 0.01 mag |
| Apparent peak magnitude — r band (mr) | 14.27 mag ± 0.01 mag | 14.27 mag ± 0.01 mag |
| Apparent peak magnitude — V band (mV) | 14.47 mag ± 0.008 mag | 14.42 mag ± 0.01 mag |
| Decline over 15 days — B band (Δm15(B)) | 1.57 mag | 1.43 mag |
| Decline over 15 days — r band (Δm15(r)) | 0.66 mag | 0.66 mag |
| Decline over 15 days — V band (Δm15(V)) | 0.75 mag | 0.89 mag |
| Explosion time (texp) | 55953.4 d | N/A |
| Ejecta mass (Mej) | 1.44 M☉ | 1.5 M☉ |
| Nickel mass (MNi) | 0.18 M☉ | 0.27 M☉ |
| Rise time (trise) | 17.3 d | N/A |
| Photometric blueshift (vph) | 7000 km/s | N/A |
| TARDIS model velocity (vTARDIS) | N/A | 7700 km/s |
Light curve
Apparent magnitude by reported observation time.
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Spectrum
Compare up to 10 selected full-resolution observed spectra on one chart. Raw flux is shown by default; normalization is an explicit display option.
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Move across the chart to inspect the nearest point in each selected spectrum.