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Table 2
Medians and dispersions of the distributions of residuals, i.e. estimated minus true, on Teff, log g, [Fe/H] , [Ti/Fe] and [Ni/Fe] derived by SPADES for the S/N: 100, 50 and 30.
| S/N = 100 | S/N = 50 | S/N = 30 | ||
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| med(Teffres) | (K) | 0 | 0 | 0 |
| σ Teff res | (K) | 8 | 16 | 27 |
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| med(log gres) | 0.00 | 0.00 | 0.00 | |
| σ log gres | 0.05 | 0.09 | 0.15 | |
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| med( [Fe/H] res) | (dex) | 0.002 | –0.001 | –0.003 |
| σ [Fe/H] res | (dex) | 0.009 | 0.020 | 0.030 |
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| med( [Ti/Fe] res) | (dex) | 0.004 | 0.005 | 0.005 |
| σ [Ti/Fe] res | (dex) | 0.003 | 0.040 | 0.060 |
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| med( [Ni/Fe] res) | (dex) | –0.004 | 0.002 | 0.010 |
| σ [Ni/Fe] res | (dex) | 0.010 | 0.030 | 0.050 |
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