Compilation of the oxygen abundances at the SN location measured in this work combined with previously published results from the literature. We combined published measurements using the O3N2 calibrator with measurements using the N2 converted to O3N2 with Kewley & Ellison (2008) relation. a) for SNe discovered in untargeted searches; b) in targeted searches. The CALIFA sample presented in this work contributes essentially to the targeted sample.
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