Table 4.
Multi-dataset modeling of V923 Sco observables.
| Parameter | LC+RV | LC+VO | VO+RV | LC+RV+VO |
|---|---|---|---|---|
| P [days] | 34.838595(6) | 34.838646 | 34.83870(7) | 34.838593(6) |
| T0 [HJD] | 0.1716(7) | 0.1736(10) | 0.159(4) | 0.1719(7) |
| i [deg] | 87.724(4) | 87.727(4) | 87.73(8) | 87.725(4) |
| e | 0.47243(15) | 0.47161(19) | 0.4721(4) | 0.47242(14) |
| r1 | 0.03182(4) | 0.03180(5) | – | 0.03182(4) |
| r2 | 0.02897(3) | 0.02897(3) | – | 0.02897(3) |
| K1 [km s−1] | 51.673(20) | 51.65 | 51.65(3) | 51.673(20) |
| K2 [km s−1] | 53.597(20) | 53.58 | 53.58(3) | 53.597(20) |
| V0 [km s−1] | −15.079(8) | – | −15.082(17) | −15.084(8) |
| ω [deg] | 112.964(13) | 113.058(19) | 112.83(7) | 112.966(13) |
| Ω [deg] | – | 114.325(28) | 114.34(10) | 114.17(26) |
| π [mas] | – | – | 15.975(26) | 16.018(9) |
| Teff2 [K] | 6562(3) | 6565(4) | – | 6565(3) |
| d.o.f. | 606−12 | 510−9 | 128−10 | 622−12 |
 (LC) |
1.009 | 1.146 | – | 1.005 |
 (RV) |
1.194 | – | 1.064 | 1.198 |
 (FR) |
0.042 | 0.042 | – | 0.047 |
 (VO) |
– | 2.001 | 1.971 | 1.990 |
Notes. Fixed parameters are listed without error; parameters irrelevant for a given dataset(s) are skipped. The number of data points is 493 for the MOST light curve (LC), 112 for the radial-velocity (RV) curves (56 epochs), and 18 (9 epochs) for the visual orbit (VO) and two flux ratios (FR). The parameters listed are as follows: P indicates the orbital period, T0 the time of periastron passage (listed as HJD-2454272), i the inclination angle, e the orbital eccentricity, T2 the secondary component temperature, r1, r2 the fractional radii of the components, K1, K2 the semiamplitudes of the radial-velocity changes, V0 the mass-center velocity, ω the longitude of periastron passage, Ω the longitude of ascending node, π the parallax, Teff2 the effective temperature of the secondary component, and d.o.f. the number of degrees of freedom and reduced 
for individual datasets. The modeling of the MOST light curve included a normalization factor not listed in the table but very close to unity.
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