Galaxies at z>1 show N/O ratios elevated by a median 0.18 dex at fixed O/H relative to local trends, reaching 0.4-0.5 dex at low metallicity.
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2 Pith papers cite this work. Polarity classification is still indexing.
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astro-ph.GA 2representative citing papers
New C, N, O, S, K, Cu abundances for 714 solar-neighbourhood stars show that ratios relative to oxygen discriminate thin- and thick-disk populations more clearly than traditional [X/Fe] trends.
citing papers explorer
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Tracing nitrogen enrichment across cosmic time with JWST
Galaxies at z>1 show N/O ratios elevated by a median 0.18 dex at fixed O/H relative to local trends, reaching 0.4-0.5 dex at low metallicity.
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Exploring the Milky Way stellar disk. Carbon, nitrogen, oxygen, sulphur, potassium, and copper abundances for 714 F and G dwarf stars in the solar neighbourhood
New C, N, O, S, K, Cu abundances for 714 solar-neighbourhood stars show that ratios relative to oxygen discriminate thin- and thick-disk populations more clearly than traditional [X/Fe] trends.