A correlation between SN II metal line strength and host HII region oxygen abundance
classification
🌌 astro-ph.GA
astro-ph.COastro-ph.SR
keywords
hostlinemetalregionstrengthcorrelationincreasingabundance
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Dessart et al., demonstrated that type II supernova (SN II) model spectra present increasing metal line strength with increasing progenitor metallicity. To confront these models with observations, we obtained a large sample of SN II host HII region emission line spectroscopy. We show that inferred SN II host HII region metallicities have a statistically significant correlation with the strength of SN II metal lines, specifically FeII 5018A.
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