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Table 3.
Spectral classification of the donor star in YY Dra using the grid of subsolar metallicity templates.
| Template | Effective | [Fe/H] | f |  |
|---|---|---|---|---|
| temperature | (dex) | dof | ||
| (K) | ||||
| Gl 338 A | 4031 ± 56 | −0.18 ± 0.17 | 0.74(4) | 12.67 |
| Gl 338 B | 3869 ± 15 | −0.15 ± 0.17 | 0.74(5) | 12.51 |
| Gl 649 | 3733 ± 20 | −0.04 ± 0.17 | 0.89(2) | 5.82 |
| Gl 686 | 3693 ± 20 | −0.28 ± 0.17 | 1.29(2) | 4.14 |
| Gl 408 | 3526 ± 18 | −0.09 ± 0.17 | 1.05(2) | 3.49 |
| LHS 3605 | 3437 ± 16 | −0.28 ± 0.17 | 1.18(3) | 5.37 |
| Gl 687 | 3395 ± 18 | −0.09 ± 0.17 | 1.05(2) | 4.59 |
| Gl 661 AB | 3272 ± 28 | −0.31 ± 0.17 | 1.08(5) | 7.23 |
| LHS 1723 | 3054 ± 69 | −0.06 ± 0.17 | 0.95(3) | 6.34 |
| GJ 1116 AB | 2896 ± 18 | −0.12 ± 0.17 | 0.79(4) | 11.00 |
Notes. The number of dof is 819. Brackets mark the uncertainty in the last digit. The values for the effective temperature and [Fe/H] are from Rojas-Ayala et al. (2012).
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