Table 2
Summary of key parameters of the binary systems observed.
| Object | M1 | M2 | incl | Teff | a | Sp. Type | RMS | logg | K1 |  |
Reference |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (M⊙) | (M⊙) | (degs) | (K) | (R⊙) | (M2) | (Residuals) | (km s−1) | ||||
| EC 10246-2707 | 0.45 | 0.12 | 80.0 | 28 900 | 0.84 | M5/M6 | 1.60 | 5.64 | 71.6 | −2.50 | Barlow et al. (2013) |
| HS 0705+6700 | 0.48 | 0.13 | 84.4 | 28 800 | 0.81 | M4/M5 | 19.89 | 5.40 | 85.8 | −2.68 | Drechsel et al. (2001) |
| HS 2231+2441 | 0.265 | 0.05 | 79.1 | 28 370 | 1.18 | BD | 2.47 | 5.39 | 49.1 | −2.91 | Ostensen et al. (2008) |
| J08205+0008 | 0.25 | 0.045 | 85.9 | 26 700 | 0.6 | BD | 1.13 | 5.48 | 47.4 | Geier et al. (2011) | |
| /0.47 | /0.068 | /1.1 | |||||||||
| NSVS 07826147 | 0.376 | 0.113 | 86.6 | 29 230 | M5 | 2.41 | 5.58 | 71.1 | For et al. (2010) | ||
| NSVS 14256825 | 0.35 | 0.097 | 82.5 | 42 300 | 0.74 | M5/M7 | 20.95 | 5.50 | 73.4 | −2.52 | Almeida et al. (2012) |
| /0.46 | /0.21 | /35 250 | /5.49 | /−2.70 | Kilkenny & Koen (2012) | ||||||
| NY Vir | 0.39 | 0.11 | 80.7 | 31 300 | 0.72 | M5 | 4.78/36.45 | 5.74 | 78.6 | −2.91 | Vuckovic et al. (2007) |
Notes. The spectral types for these systems are not clearly defined, being indirectly determined from light curve parameters which themselves can be poorly constrained. The RMS of residuals for NY Vir is shown with two values. Utilising all data the value is 36.45, but eliminating the two Vuckovic data points, which Lee et al. (2014) reports with very low uncertainties, yields a value of 4.78.
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