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Table 1

Comparison of the internal median standard deviation (third column) with the overall standard deviation (second column) for each parameter.
Parameter σrandom
Teff (K) 553 152 3.6
log g 1.17 0.28 4.2
[M∕H] 0.35 0.17 2.1
[C∕M] 0.12 0.11 1.1
[N∕M] 0.18 0.12 1.5
[α∕M] 0.10 0.08 1.3
[Al∕H] 0.13 0.10 1.3
[Ca∕H] 0.48 0.22 2.2
[C∕H] 0.31 0.15 2.1
[Fe∕H] 0.38 0.23 1.7
[K∕H] 0.12 0.10 1.2
[Mg∕H] 0.75 0.35 2.1
[Mn∕H] 0.15 0.09 1.6
[Na∕H] 0.15 0.10 1.5
[Ni∕H] 0.29 0.18 1.6
[N∕H] 0.32 0.16 2.0
[O∕H] 0.39 0.21 1.9
[Si∕H] 1.00 0.43 2.3
[S∕H] 0.77 0.35 2.2
[Ti∕H] 0.71 0.33 2.1
[V∕H] 0.36 0.19 1.9

Notes. The fourth column displays the ratio of these quantities. We highlight the parameters that have internal median standard deviation at least two times smaller than the overall standard deviation.

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