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Table 1

SN 2008iz derived equipartition total minimum energy and magnetic fields.

Date Days since Radius Luminosity B eq B eq E min E min
(yy/mm/dd) 18-2-2008 (cm) (erg-1) (G)k = 1 (G)k = 2000 (erg)k = 1 (erg)k=2000

2008/03/24 36 0.88 × 1016 142.6 × 1035 0.444 3.197 1.58 × 1046 0.82 × 1048
2008/05/03 76 1.67 × 1016 126.6 × 1035 0.248 1.784 3.35 × 1046 1.74 × 1048
2009/04/08 416 7.22 × 1016 13.2 × 1035 0.037 0.266 6.05 × 1046 3.14 × 1048
2009/04/27 435 7.51 × 1016 8.9 × 1035 0.032 0.230 5.08 × 1046 2.63 × 1048
2009/09/19 580 9.61 × 1016 6.5 × 1035 0.024 0.170 5.83 × 1046 3.02 × 1048
2009/10/21 612 10.07 × 1016 4.4 × 1035 0.020 0.146 4.96 × 1046 2.57 × 1048
2010/10/20 976 15.04 × 1016 3.4 × 1035 0.013 0.096 7.16 × 1046 3.71 × 1048
2010/12/18 1035 15.82 × 1016 4.0 × 1035 0.013 0.097 8.39 × 1046 4.35 × 1048
2011/02/12 1091 16.55 × 1016 5.0 × 1035 0.014 0.099 10.10 × 1046 5.23 × 1048
2011/05/21 1189 17.82 × 1016 4.4 × 1035 0.012 0.090 10.32 × 1046 5.35 × 1048
2011/08/09 1269 18.85 × 1016 3.3 × 1035 0.011 0.079 9.42 × 1046 4.88 × 1048
2012/02/02 1446 21.09 × 1016 2.7 × 1035 0.009 0.068 9.70 × 1046 5.03 × 1048
2012/08/25 1651 23.64 × 1016 4.7 × 1035 0.010 0.072 15.42 × 1046 7.99 × 1048
2012/11/21 1739 24.72 × 1016 7.1 × 1035 0.011 0.078 20.67 × 1046 10.71 × 1048
2014/01/23 2167 29.90 × 1016 9.1 × 1035 0.010 0.071 30.23 × 1046 15.66 × 1048

Notes. The luminosity is derived from the 22.3 GHz integrated flux values, while the radius is derived from the VLBI results by assuming a constant expansion index m = 0.86 ± 0.02 and cy = (7.5 ± 0.9) × 10-6 arcsec/day.

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