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astro-ph.SR2026
Stellar Population Astrophysics (SPA) with the TNG. CNO abundances in 28 open clusters
Bruno Ćurjurić, Arnas Drazdauskas, Gražina Tautvaišienė +4
Aims. Our main aim with this work was to enlarge the pool of open clusters with determined carbon, nitrogen, and oxygen abundances in evolved giants to further advance chemical clo…
astro-ph.SR2026★ 1 cited
Calibration of the [C/N] and [Y/Mg] chemical clocks with asteroseismic ages from the TESS space mission
E. Pakštienė, G. Tautvaišienė, V. Bagdonas +8
Context. Stellar ages are typically very difficult to estimate for field stars. New empirical methods, based on abundance ratios of chemical elements, are emerging and need to be c…