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Table 7
Fundamental properties for both the main-sequence (MS) and subdwarf (sdB) component of PG 1104+243.
| Systemic parameters | ||
| P (d) | 753 ± 3 | |
| T0 (HJD) | 2 450 386 ± 8 | |
| e | <0.002 | |
| γ (km s-1) | −15.17 ± 0.07 | |
| q | 0.64 ± 0.02 | |
| a (R⊙) | 322 ± 12 | |
| i (°) | 32 ± 3 | |
| E(B − V) | 0.001 ± 0.017 | |
| d (pc) | 305 ± 10 | |
| Component parameters | ||
| MS | sdB | |
| K (km s-1) | 4.42 ± 0.08 | 6.9 ± 0.3 |
| M (M⊙) | 0.74 ± 0.07 | 0.47 ± 0.05a |
| log g (cgs) | 4.29 ± 0.05 | 5.85 ± 0.08 |
| R (R⊙) | 1.02 ± 0.06 | 0.13 ± 0.02 |
| Teff (K) | 5930 ± 160 | 33 500 ± 1200 |
| L (L⊙) | 1.15 ± 0.13 | 22.5 ± 3.5 |
| V0(mag) | 12.06 ± 0.05 | 12.03 ± 0.08 |
| MV (mag) | 4.64 ± 0.05 | 4.61 ± 0.10 |
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