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Table 3.

Properties of some typical Type IIb SNe compared with SN 2024iss.

SN Explosion time Time of second peak Redshift m − M E(B − V)MW E(B − V)host Sourcea
(MJD) (MJD) z (mag) (mag) (mag)
1993J 49074.0 49095.0 −0.001130 27.31 0.0690 0.110 1,2,3
2011dh 55712.0 55732.0 0.001638 29.46 0.0310 0.040 4
2011fu 55825.0 55846.9 0.001845 34.36 0.0680 0.150 5,6
2013df 56450.0 56469.0 0.002390 31.10 0.0170 0.081 7,8
2016gkg 57651.2 57669.0 0.004900 32.11 0.0166 0.090 9
2020acat 59192.0 59208.7 0.007932 32.74 0.0207 10

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