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Table 8
Astrophysical data for EF Aqr.
| Systemic parameters | ||
| P (d) | 2.85357206 | |
| T0 (HJD) | 52 556.5728 | |
| e | 0.0 | |
| ω | 90.0 | |
| a (R⊙) | 10.9984 ± 0.0207 | |
| v0 (km s-1) | − 4.0660 ± 0.1264 | |
| q | 0.761 ± 0.003 | |
| i (o) | 88.454 ± 0.076 | |
| E(b − y) | 0.018 ± 0.011 | |
| [Fe/H] (dex) | 0.00 ± 0.10 | |
| d (pc) | 172.0 ± 3.8 | |
| Component parameters | ||
| Primary | Secondary | |
| M (M⊙) | 1.244 ± 0.008 | 0.946 ± 0.006 |
| R (R⊙) | 1.338 ± 0.012 | 0.956 ± 0.012 |
| K (km s-1) | 84.180 ± 0.185 | 110.686 ± 0.302 |
| vsini (km s-1) | 21 ± 4 | 18 ± 4 |
| ξ (km s-1) | 1.60 ± 0.10 | 1.32 ± 0.10 |
| log g (cgs) | 4.280 ± 0.007 | 4.453 ± 0.011 |
| V0 | 10.015 ± 0.022 | 11.711 ± 0.024 |
| (b − y) | 0.338 ± 0.010 | 0.484 ± 0.016 |
| m1 | 0.183 ± 0.010 | 0.332 ± 0.021 |
| c1 | 0.383 ± 0.015 | 0.292 ± 0.029 |
| Teff (K) | 6150 ± 65 | 5185 ± 110 |
| Mbol | 3.847 ± 0.029 | 5.319 ± 0.051 |
| log L/L⊙ | 0.360 ± 0.011 | −0.227 ± 0.020 |
| BC | −0.021 ± 0.013 | −0.192 ± 0.035 |
| MV | 3.868 ± 0.030 | 5.511 ± 0.0523 |
Notes. Bolometric corrections (BC) by Flower (1996) were assumed together with Teff, ⊙ = 5780 K, BC⊙ = −0.08 and Mbol, ⊙ = 4.74.
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