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Fig. 11.


Histograms of the environment and host properties of SN 2018bsz as compared to literature samples and SN 2017egm; the previously lowest-redshift SLSN. Top: integrated host galaxy stellar mass. The inset shows a GROND r-band image of SN 2018bsz (indicated by the two perpendicular black lines) and its host galaxy. Middle: integrated host SFR. Bottom: host environment oxygen abundance on the O3N2 scale (a combination of global galaxy and nearby host H II region measurements). On each plot the value of SN 2018bsz is indicated, together with that of SN 2017egm.

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