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Stellar Evolutionary Effects on the Abundances of Polycyclic Aromatic Hydrocarbons and Supernova‐Condensed Dust in Galaxies
Spectral and photometric observations of nearby galaxies show a correlation between the strength of their mid-IR aromatic features, attributed to PAH molecules, and their metal abundances, leading to a deficiency of these features in low-metallicity galaxies. In this paper we suggest that the observed correlation represents a trend of PAH …