CC SN ratios as a function of SN multiplicity of host galaxies. In the top panel the SNIb/SNIc ratio is plotted, in the middle the SNIb/SNII ratio, and in the bottom panel the SNIc/SNII ratio. Error bars are calculated using Poisson statistics (if the number of SNe within a distribution is less than 100, then we use Gehrels 1986 to estimate errors).
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