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Table 5.
Tentative orbital parameters and GES recommended atmospheric parameters for two SB1 dwarfs.
| GES ID | 21303728+1202029 (a) | 12575381−7053113 |
| Field | M 15 | NGC 4833 |
| Gaia DR2 source ID | 1745931560476128000 | 5843793495793252992 |
| G | 15.72 | 16.02 |
| P [d] | 5.8 | 3.9147 ± 0.0002 |
| e | 0.3 | 0.26 ± 0.02 |
| ω [°] | 82 | 187.5 ± 1.6 |
| T0 – 2400000.5 [d] | 56241.2 | 56478.9 ± 1.4 |
| v0 [km s−1] | 17.7 | −2.63 ± 0.26 |
| K1 [km s−1] | 5.6 | 69.82 ± 0.95 |
| f(M) [M⊙] | − | 0.124 ± 0.006 |
| σ1 (O–C) [km s−1] | 0.324 | 0.410 |
| Nobs | 13 | 10 |
| Nepochs | 4 | 5 |
| Teff [K] | 5754 ± 58 | 5318 ± 170 |
| log g | 4.52 ± 0.12 | 4.13 ± 0.21 |
| [Fe/H] | −0.42 ± 0.26 | – |
| M1 [M⊙] | 1.04 ± 0.03 | 0.88 ± 0.07 |
Notes. Masses are estimated from Eq. (21).
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