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Table 4
Physical parameters with their error bars of the eclipsing system USco16m25 derived using the formalism of Giménez (2006).
| Parameters | Values and errors |
|
|
|
| Period (d) | 2.808862 ± 0.000005 |
| Epoch – 2 454 900 | 1997.52271 ± 0.00014 |
| K1 (km s-1) | 40.11 ± 0.62 |
| K2 (km s-1) | 43.64 ± 1.03 |
| Mass 1 (solar mass) | 0.091 ± 0.005 |
| Mass 2 (solar mass) | 0.084 ± 0.004 |
| Mass 1 (Jupiter mass) | 95.6 ± 5.5 |
| Mass 2 (Jupiter mass) | 87.6 ± 4.3 |
| q (mass ratio) | 0.922 ± 0.015 |
| Omega (deg) | 105.7 ± 3.3 |
| Eccentricity | 0.011 ± 0.002 |
| Time periastron | 1997.60 ± 0.03 |
| Orbital incl. (deg) | 83.11 ± 0.03 |
| Gamma RV (km s-1) | 0.6 ± 1.0 |
| Surf. brightness ratio | 1.010 ± 0.021 |
| Luminosity ratio | 0.966 ± 0.016 |
| Phi 1 (Orb. phi. 0-1) | 0.01791 ± 0.00006 |
| Radius 1/a | 0.0828 ± 0.0007 |
| Radius 2/a | 0.0810 ± 0.0007 |
| Semimajor axis (AU) | 0.0218 ± 0.0004 |
| Radius 1 (solar radii) | 0.388 ± 0.008 |
| Radius 2 (solar radii) | 0.380 ± 0.008 |
| Radius 1 (Jup. radii) | 3.776 ± 0.080 |
| Radius 2 (Jup. radii) | 3.695 ± 0.080 |
| Radius ratio | 0.979 ± 0.013 |
| Density 1 (g cm-3) | 2.20 ± 0.06 |
| Density 2 (g cm-3) | 2.16 ± 0.06 |
| Impact parameter 1 | 1.456 ± 0.010 |
| Impact parameter 2 | 1.446 ± 0.010 |
| log g1 (cgs) | 4.22 ± 0.01 |
| log g2 (cgs) | 4.20 ± 0.01 |
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