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Table 4

Group 3 comparison with previous studies.

Ours-Nissen Ours-Reddy Ours-Ramírez
Quantity Diff. σ Diff. σ Diff. σ

T eff 34 54 86 33 47 45
log g –0.26 0.16 –0.28 0.15 –0.27 0.14
[Fe/H]  0.03 0.04 0.06 0.07 0.10 0.04
[Na/Fe]  0.02 0.11 0.00 0.04 ... ...
[Mg/Fe]  –0.02 0.05 0.02 0.01 ... ...
[Al/Fe]  ... ... –0.01 0.07 ... ...
[Si/Fe]  –0.05 0.01 0.03 0.05 ... ...
[Ca/Fe]  0.00 0.01 0.08 0.05 ... ...
[Sc/Fe]  ... ... –0.01 0.05 ... ...
[Ti/Fe]  0.06 0.10 0.07 0.06 ... ...
[V/Fe]  ... ... –0.01 0.03 ... ...
[Cr/Fe]  0.02 0.06 0.08 0.04 ... ...
[Co/Fe]  ... ... –0.04 0.03 ... ...
[Ni/Fe]  0.01 0.05 –0.01 0.04 ... ...

Notes. Mean differences and standard deviations of the main parameters and abundance ratios [El/Fe] for 4 stars of Group 3 that are in common with Nissen & Schuster (2010), 7 stars in common with Reddy et al. (2006), and 10 stars in common with Ramírez et al. (2007).

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