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First determination of s-process element abundances in pre-main sequence clusters - Y, Zr, La, and Ce in IC 2391, the Argus association, and IC 2602 | Astronomy & Astrophysics (A&A)
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Table 1

Solar abundances from the present study compared to abundances by Grevesse et al. (1996), Asplund et al. (2009), and the meteoritic values (Lodders 2003).

Species This study Grevesse+96 Asplund+09 Meteoritic

Y 2.19 ± 0.03 2.24 ± 0.03 2.21 ± 0.05 2.17 ± 0.04
Zr 2.55 ± 0.04 2.60 ± 0.03 2.58 ± 0.04 2.53 ± 0.04
La 1.05 ± 0.01 1.17 ± 0.07 1.10 ± 0.04 1.17 ± 0.02
Ce 1.58 ± 0.01 1.58 ± 0.09 1.58 ± 0.04 1.58 ± 0.02

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