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Table 3

Comparison statistics of the derived atmospheric parameters with literature compilation.

Region N Δ Teff (K) Δ log  g (dex) Δ [Fe/H](dex)
μ σ μ σ N μ σ
33 PVK −94 115 0.07 0.31 27 0.07 0.22
Teff ≤ 3800 K and log  g < 3.5 dex 40 V1 −81 134 0.18 0.37 30 0.12 0.27
40 V2 −15 82 0.00 0.38 30 0.04 0.23
77 PVK 42 81 0.12 0.34 61 0.11 0.12
3800 < Teff ≤ 4200 K and log  g < 3.5 dex 77 V1 43 90 0.11 0.32 61 0.16 0.13
77 V2 17 74 0.03 0.31 61 0.02 0.14
69 PVK 21 88 0.09 0.26 53 0.02 0.09
4200 < Teff ≤ 4500 K and log  g < 3.5 dex 72 V1 49 113 0.15 0.28 55 0.08 0.10
72 V2 −1 80 0.07 0.25 55 −0.04 0.10
86 PVK 42 69 0.04 0.25 72 0.05 0.08
4500 < Teff ≤ 4800 K and log  g < 3.5 dex 89 V1 45 77 0.06 0.25 75 0.08 0.09
89 V2 4 77 −0.01 0.25 75 0.01 0.09
3 PVK 137 105 −0.11 0.11 3 −0.66 0.12
Teff ≤ 3800 K and log  g ≥ 3.5 dex 9 V1 166 132 −0.14 0.12 9 −0.72 0.39
9 V2 −13 120 −0.06 0.12 9 −0.04 0.16
28 PVK −45 120 0.02 0.16 27 −0.08 0.19
3800 < Teff ≤ 4800 K and log  g ≥ 3.5 dex 29 V1 −112 140 0.07 0.14 28 −0.03 0.15
29 V2 −35 123 0.02 0.14 28 -0.03 0.14

Notes. For each parameter μ and σ are the mean and dispersion of the differences in the derived parameters. For each range of Teff, the first row is the mean and sigma of biases in the parameters in PVK with respect to literature compilation. The other two rows are the mean and dispersion in the derived parameters using two versions of the interpolator. The robust statistics has been computed with the IDL command biweight_mean. Cluster stars were not included in the [Fe/H] statistics.

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