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Table 8
Difference between the parameters derived from the two methods and the reference values on each iteration of the least-squares minimization process.
| Synthetic spectral fitting | Equivalent width | |||||||||||||
| ΔTeff | Δlog (g) | Δ[M/H] | Converged | ΔTeff | Δlog (g) | Δ[M/H] | Converged | |||||||
| Iteration | μ | σ | μ | σ | μ | σ | μ | σ | μ | σ | μ | σ | ||
|
|
||||||||||||||
| 1 | 36 | 530 | 0.30 | 0.87 | 0.03 | 0.36 | 0 (0%) | −15 | 560 | 0.22 | 1.01 | 0.20 | 0.43 | 0 (0%) |
| 2 | −52 | 177 | 0.12 | 0.50 | 0.05 | 0.23 | 0 (0%) | 101 | 283 | 0.26 | 0.48 | 0.13 | 0.28 | 21 (27%) |
| 3 | −12 | 117 | 0.00 | 0.32 | 0.03 | 0.16 | 3 (4%) | 146 | 271 | 0.24 | 0.47 | 0.14 | 0.26 | 38 (49%) |
| 4 | −12 | 124 | −0.08 | 0.19 | 0.02 | 0.15 | 14 (18%) | 139 | 267 | 0.23 | 0.47 | 0.13 | 0.26 | 63 (81%) |
| 5 | −14 | 121 | −0.08 | 0.18 | 0.02 | 0.15 | 41 (53%) | 140 | 266 | 0.23 | 0.46 | 0.12 | 0.26 | 67 (86%) |
| 6 | −15 | 120 | −0.08 | 0.17 | 0.02 | 0.15 | 60 (77%) | 137 | 259 | 0.22 | 0.45 | 0.12 | 0.26 | 70 (90%) |
| 7 | −16 | 119 | −0.08 | 0.17 | 0.02 | 0.15 | 63 (81%) | 133 | 251 | 0.21 | 0.45 | 0.12 | 0.26 | 71 (91%) |
| 8 | −19 | 120 | −0.09 | 0.17 | 0.02 | 0.15 | 69 (88%) | 134 | 244 | 0.20 | 0.45 | 0.12 | 0.26 | 73 (94%) |
| 9 | −22 | 122 | −0.10 | 0.19 | 0.02 | 0.15 | 70 (90%) | 136 | 241 | 0.20 | 0.44 | 0.12 | 0.27 | 76 (97%) |
| 10 | −24 | 124 | −0.11 | 0.21 | 0.01 | 0.14 | 78 (100%) | 135 | 241 | 0.20 | 0.44 | 0.12 | 0.27 | 78 (100%) |
Notes. The number of converged spectra per iteration is also included (78 in total).
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