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Table 2
Stellar parameters, metallicity (from Fe ii lines), and barium abundances as reported by De Silva et al. (2013) and D’Orazi & Randich (2009) for our sample stars belonging to the IC 2391/Argus associations and IC 2602, respectively.
| Star | Teff | log g | ξ | [Fe/H] | [Ba/H] | [Ba/Fe] | [Y/H] | [Y/Fe] | [Zr/H] | [Zr/Fe] | [La/H] | [La/Fe] | [Ce/H] | [Ce/Fe] |
|
|
||||||||||||||
| IC 2391 | ||||||||||||||
| PMM 1142 | 5700 | 4.30 | 1.50 | −0.05 ± 0.11 | 0.65 ± 0.15 | 0.70 ± 0.13 | 0.04 ± 0.13 | 0.09 ± 0.09 | 0.00 ± 0.12 | 0.05 ± 0.08 | 0.07 ± 0.11 | 0.12 ± 0.08 | 0.04 ± 0.15 | 0.09 ± 0.11 |
| PMM 4362 | 5650 | 4.30 | 1.40 | −0.08 ± 0.09 | 0.52 ± 0.20 | 0.60 ± 0.17 | −0.03 ± 0.15 | 0.05 ± 0.10 | 0.03 ± 0.15 | 0.11 ± 0.10 | 0.05 ± 0.12 | 0.13 ± 0.08 | 0.08 ± 0.13 | 0.16 ± 0.10 |
| PMM 665 | 5500 | 4.50 | 1.60 | −0.11 ± 0.12 | 0.35 ± 0.15 | 0.46 ± 0.12 | −0.01 ± 0.13 | 0.10 ± 0.09 | −0.01 ± 0.14 | 0.10 ± 0.10 | 0.05 ± 0.12 | 0.16 ± 0.08 | 0.09 ± 0.13 | 0.20 ± 0.10 |
| ARGUS | ||||||||||||||
| CD-283434 | 5600 | 4.30 | 1.50 | −0.10 ± 0.08 | 0.40 ± 0.15 | 0.50 ± 0.12 | 0.04 ± 0.12 | 0.14 ± 0.09 | −0.02 ± 0.15 | 0.08 ± 0.10 | 0.09 ± 0.12 | 0.19 ± 0.09 | −0.09 ± 0.12 | 0.01 ± 0.09 |
| CD-395833 | 5500 | 4.60 | 1.60 | −0.04 ± 0.09 | 0.56 ± 0.20 | 0.60 ± 0.18 | 0.17 ± 0.16 | 0.21 ± 0.13 | 0.03 ± 0.15 | 0.07 ± 0.10 | 0.18 ± 0.20 | 0.22 ± 0.18 | 0.20 ± 0.20 | 0.24 ± 0.18 |
| IC 2602 | ||||||||||||||
| R66 | 5590 | 4.45 | 1.15 | −0.01 | 0.67 ± 0.15 | 0.68 ± 0.13 | 0.04 ± 0.15 | 0.05 ± 0.12 | 0.05 ± 0.12 | 0.06 ± 0.08 | 0.13 ± 0.12 | 0.14 ± 0.08 | 0.00 ± 0.13 | 0.01 ± 0.09 |
| R70 | 5760 | 4.45 | 1.10 | 0.00 | 0.68 ± 0.15 | 0.68 ± 0.13 | 0.12 ± 0.13 | 0.12 ± 0.10 | 0.06 ± 0.13 | 0.06 ± 0.08 | 0.05 ± 0.15 | 0.05 ± 0.10 | 0.02 ± 0.14 | 0.02 ± 0.11 |
Notes. Abundances for Y, Zr, La, and Ce are from the present work.
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