Table 5
Average parameter values and 1σ intervals for the Monte Carlo tests described in Sect. 7.
| Test type | T eff | σ | log g | σ | [Fe/H] | σ | V turb | σ |
| K | cm s-1 | km s-1 | ||||||
|
|
||||||||
| Synthetic noiseless | 5403 | – | 4.51 | – | –1.00 | – | 0.97 | – |
|
|
||||||||
| Synthetic S/N = 80 | 5409 | 31 | 4.51 | 0.06 | –1.01 | 0.02 | 1.05 | 0.07 |
| Synthetic S/N = 50 | 5419 | 36 | 4.54 | 0.08 | –1.00 | 0.03 | 1.04 | 0.09 |
| Synthetic S/N = 20 | 5461 | 80 | 4.57 | 0.18 | –0.95 | 0.06 | 0.94 | 0.22 |
|
|
||||||||
| HD 126681S/N = 80 | 5536 | 36 | 4.42 | 0.07 | –1.24 | 0.03 | 0.58 | 0.16 |
| HD 126681S/N = 50 | 5499 | 46 | 4.34 | 0.10 | –1.24 | 0.03 | 0.47 | 0.19 |
| HD 126681S/N = 20 | 5422 | 87 | 4.10 | 0.20 | –1.22 | 0.07 | 0.39 | 0.28 |
|
|
||||||||
| HD 126681 fixed Teff, S/N = 80 | 5552 | 150 | 4.43 | 0.29 | –1.24 | 0.12 | 0.77 | 0.22 |
Notes. In order, the result of the analysis of the noiseless synthetic spectrum, of the three 1000 noise realization runs on the synthetic (for both see 7.1), of the three 1000 noise realization runs on HD 126681, and of the “photometric Teff” run on HD 126681 (for both see 7.2). In the last row, Teff and its σ are in boldface to indicate they are not results, but the fixed input Teff distribution.
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