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Table 5
Physical parameters with their error bars of the eclipsing system USco16m25 derived using the formalism of Mandel & Agol (2002).
| Parameters | Values and errors |
|
|
|
| Period (d) | 2.808860 ± 0.000007 |
| Epoch – 2 454 900 | 1997.5227 ± 0.0003 |
| K1 (km s-1) | 40.11 ± 1.28 |
| K2 (km s-1) | 43.51 ± 1.42 |
| Mass 1 (solar mass) | 0.090 ± 0.007 |
| Mass 2 (solar mass) | 0.083 ± 0.006 |
| Mass 1 (Jupiter mass) | 94.1 ± 7.1 |
| Mass 2 (Jupiter mass) | 86.7 ± 6.4 |
| q (mass ratio) | 0.922 ± 0.039 |
cosw
|
−0.013 ± 0.002 |
|
sinw
|
0.236 ± 0.038 |
| Omega (deg) | 93.1 ± 0.9 |
| Eccentricity | 0.055 ± 0.018 |
| Time periastron | 1997.52 ± 0.014 |
| Orbital incl. (deg) | 83.2 ± 0.1 |
| a/R1 | 12.26 ± 0.11 |
| Gamma RV (km s-1) | 1.4 ± 0.6 |
| Surf. brightness ratio | 1.48 ± 0.23 |
| Luminosity ratio | 0.966 ± 0.016 |
| Radius 1/a | 0.0815 ± 0.0007 |
| Semimajor axis (AU) | 0.0217 ± 0.0005 |
| Radius 1 (solar radii) | 0.381 ± 0.009 |
| Radius 2 (solar radii) | 0.312 ± 0.027 |
| Radius 1 (Jup. radii) | 3.705 ± 0.091 |
| Radius 2 (Jup. radii) | 3.038 ± 0.265 |
| Radius ratio | 0.821 ± 0.069 |
| Density 1 (g cm-3) | 2.30 ± 0.07 |
| Density 2 (g cm-3) | 3.75 ± 0.91 |
| Impact parameter 1 | 1.455 ± 0.011 |
| Impact parameter 2 | 1.446 ± 0.011 |
| log g1 (cgs) | 4.23 ± 0.02 |
| log g2 (cgs) | 4.37 ± 0.07 |
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