Veiling-corrected lithium abundances in eight young clusters peak at 3.3-3.8 dex with upper age limits of ~5 Myr, alongside slightly sub-solar iron and barium overabundances up to 0.75 dex.
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Asteroseismic ages from TESS calibrate [Y/Mg] and [C/N] chemical clocks, revealing a radially dependent [Y/Mg]-age relation that is steeper in the outer Galactic disc and flatter inward, with NLTE corrections and evolutionary stage accounting required for accuracy.
citing papers explorer
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PENELLOPE: IX. Lithium, iron and barium elemental abundances in eight nearby young clusters
Veiling-corrected lithium abundances in eight young clusters peak at 3.3-3.8 dex with upper age limits of ~5 Myr, alongside slightly sub-solar iron and barium overabundances up to 0.75 dex.
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Calibration of the [C/N] and [Y/Mg] chemical clocks with asteroseismic ages from the TESS space mission
Asteroseismic ages from TESS calibrate [Y/Mg] and [C/N] chemical clocks, revealing a radially dependent [Y/Mg]-age relation that is steeper in the outer Galactic disc and flatter inward, with NLTE corrections and evolutionary stage accounting required for accuracy.