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Table 1

Observed and estimated physical properties of the four SNe compiled from the papers listed in column “Ref”.

SNR Type Eex 56Ni Mprog Z Age n0 Mdust Ref. 56Nimod
[1051 erg] [M] [M] [Z] [Years] [cm-3] [M] [1051 erg] [M] [M]

1987A IIa 1.1 0.075a 1820a 0.4 27 1.5 0.70.9 f, g, h 1.0 0.075 20
CasA IIbb 13 0.0580.16c 1320b 1 335 1.9 0.11 i, j, k 1.5 0.11 20
Crab IIn-Pd 0.1 0.0090.016d 912e 1 960 1 0.10.25 l 0.5 0.014 13
N49 II 1.8 N/A 1820 0.4 4800 0.9 0.10.4 m, n 1.5 0.075 20

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