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Table 9
Main information on the SN sample.
| 2009dd | 2007pk | 2010aj | 1995ad | 1996W | |
|
|
|||||
| α (J2000.0) | 12h05m34 10 |
01h31m47 07 |
12h40m15 16 |
06h01m06 21 |
11h59m28 98 |
| δ (J2000.0) | +50°32′19 40 |
+33°36′5470 |
–09°18′1430 |
-23°40′289 |
-19°15′219 |
| Host galaxy | NGC 4088 | NGC 579 | MGC-01-32-035 | NGC 2139 | NGC 4027 |
| Galaxy type | Sbc | Scd | Sc | SBc | SBc |
| Offset from nucleus | 15 W,
40
S |
74 E,
16
S |
124 W,
117
S |
25′′W, 5′′S | 17′′W, 34′′N |
| Local metallicity [12+log(O/H)] | 8.59 | 8.50 | 8.63 | 8.60 | 8.60 |
| Adopted recession velocity†[km s-1] | 1025 ± 15 | 5116 ± 16 | 6386 ± 20 | 1674 ± 14 | 1779 ± 29 |
| Adopted distance modulus (μ) | 30.74 ± 0.15 | 34.23 ± 0.15 | 34.71 ± 0.15 | 31.80 ± 0.15 | 31.93 ± 0.15 |
| Adopted reddening, Etot(B − V) | 0.45 | 0.11 | 0.04 | 0.04 | 0.23 |
| Observed B peak magnitude | 15.07 ± 0.06 | 16.00 ± 0.15 | 17.92 ± 0.06 | 14.77 ± 0.20 | 15.45 ± 0.03 |
| Absolute B peak magnitude | ≤ −17.61 ± 0.27 | −18.70 ± 0.23 | ≤−16.95 ± 0.18 | −17.18 ± 0.26 | −17.59 ± 0.26 |
| Explosion epoch (JD) | 2 454 925.5 ± 5 | 2 454 412 ± 5 | 2 455 265.5 ± 4 | 2 449 981.0 ± 3 | 2 450 180.0 ± 3 |
| Lbol peak [×1042 erg s-1] | 2.16 | 6.26 | 2.68 | 1.55 | 1.85 |
| Light curve peak (JD) | 2 454 937 ± 4 | 2 454 420 ± 2 | 2 455 269 ± 4 | 2 449 989 ± 4 | 2 450 186 ± 4 |
| Late decline γV [mag (100 d)-1] | 1.15 | – | 3.0∗ | 0.93 | 0.86 |
| M(56Ni)[M⊙] | 0.029 | – | <0.007 | 0.028 | 0.14 |
| M(ejecta)[M⊙] | 8.0 | – | 9.5 | 5.0 | – |
| Explosion energy (×1051 erg) | 0.20 | – | 0.55 | 0.20 | – |
| Progenitor radius [cm] | 5 × 1013 | – | 2 × 1013 | 4 × 1013 | – |
| Interaction evidences | X, HVHα | X, blue continuum, | – | – | HV Hα & Hβ |
| narrow CS Hα | |||||
| Mass loss [M⊙ yr-1] | ≳10-6 | ≳10-5 | – | – | ~ 10-6 |
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