Open Access
Table 1
Machine learning (M.L.) results of Teff and [Fe/H], their dispersion (Disp.), the mean absolute errors (M.A.E.) of the models, and the reference values (Ref.) by applying the new reference scale.
| Star | Spec. | Ref. Teff (K) | M.L. Teff (K) | M.A.E. Teff (K) | Disp. Teff (K) | Ref. [Fe/H] (dex) | M.L. [Fe/H] (dex) | M.A.E. [Fe/H] (dex) | Disp. [Fe/H] (dex) |
|---|---|---|---|---|---|---|---|---|---|
| Gl643 | HARPS | 3243 | 3238 | 65 | 11 | −0.32 | −0.31 | 0.04 | 0.01 |
| Gl846 | UVES | 3810 | 3802 | 65 | 21 | −0.07 | −0.06 | 0.04 | 0.02 |
| Gl514 | CARMENES | 3671 | 3624 | 65 | 33 | −0.15 | −0.15 | 0.04 | 0.03 |
| Gl908 | SOPHIE | 3475 | 3507 | 65 | 53 | −0.40 | −0.36 | 0.04 | 0.03 |
| Gl674 | FEROS | 3409 | 3473 | 65 | 42 | −0.19 | −0.14 | 0.04 | 0.03 |
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