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Table 8
Per setup bias and dispersion of AMBRE parameters compared to reference parameters.
| Setup | Subsample | lim(Teff) | lim(log g) | ΔTeff | σ T eff | Δlog g | σ log g | Δ[M/H] | σ [ M/H ] | Δ[α/Fe] | σ [ α/Fe ] | No. stars |
|
|
||||||||||||
| BLUE346 | Dwarf | >6000 | >3.0 | 208 | 66 | –0.04 | 0.16 | –0.08 | 0.07 | –0.12 | 0.03 | 28 |
| Dwarf | <6000 | >3.0 | 4 | 149 | –0.22 | 0.21 | –0.30 | 0.14 | –0.18 | 0.05 | 47 | |
| Giant | ≤3.0 | –55 | 105 | 0.00 | 0.23 | –0.53 | 0.12 | –0.13 | 0.09 | 20 | ||
| BLUE390 | All | – | –124 | 105 | –0.42 | 0.23 | –0.31 | 0.09 | 0.04 | 0.06 | 51 | |
| BLUE437 | Dwarf | >3.7 | 82 | 92 | 0.05 | 0.20 | –0.09 | 0.06 | –0.01 | 0.04 | 40 | |
| Giant | ≤3.7 | 190 | 111 | 0.29 | 0.30 | 0.03 | 0.17 | –0.04 | 0.05 | 27 | ||
| RED564 | All | – | –128 | 80 | –0.36 | 0.13 | –0.16 | 0.08 | 0.02 | 0.07 | 16 | |
| RED580 | Dwarf | >3.2 | 39 | 108 | –0.23 | 0.14 | –0.01 | 0.11 | –0.06 | 0.04 | 88 | |
| Giant | ≤3.2 | 47 | 101 | –0.10 | 0.21 | –0.10 | 0.09 | –0.02 | 0.05 | 29 | ||
| RED860 | Dwarf | >4.0 | –164 | 124 | 0.18 | 0.19 | –0.06 | 0.21 | –0.04 | 0.06 | 33 | |
| Giant | ≤4.0 | –78 | 198 | −0.3 × log g + 1.3 | 0.25 | 0.05 | 0.28 | –0.03 | 0.06 | 32 | ||
Notes.Subsamples are defined as Dwarf and Giant with respective gravity and temperature limits defined. The sigma values are the reported external error (as a comparison to an external source).
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