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Table 2
Parameters of 9 Sgr used in this study.
| Parameter | Symbol | Primary | Secondary |
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|
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| Orbital period | P (d) | 3327 | |
| Time periastron passage | T0 (JD) | 2 446 564 | |
| Eccentricity | e | 0.702 ± 0.010 | |
| Longitude of periastron | ω (°) | 27.4 ± 1.2 | |
| Major axis | asini (R⊙) | 3011 | |
| Mass | msin3i (M⊙) | 20.0 | 13.3 |
| Mass-loss rate | Ṁ (M⊙ yr-1) | 9.0 × 10-7 | 5.0 × 10-7 |
| Terminal velocity | v∞ (km s-1) | 3500 | 3100 |
| Distance | D (kpc) | 1.79 | |
| Estimated inclination | i (°) | 45 | |
| Thermal flux at 2 cm | Fν,2 (mJy) | 0.014 | 0.007 |
| Thermal flux at 6 cm | Fν,6 (mJy) | 0.007 | 0.004 |
| Thermal flux at 20 cm | Fν,20 (mJy) | 0.003 | 0.002 |
| Effective radius, 2 cm | Reff,2 (R⊙) | 260 | 190 |
| Effective radius, 6 cm | Reff,6 (R⊙) | 560 | 410 |
| Effective radius, 20 cm | Reff,20 (R⊙) | 1300 | 950 |
Notes. Orbital parameters from Rauw (2013, priv. comm.), which is an updated version of the results published by Rauw et al. (2012). Radio data are determined from the Wright & Barlow (1975) equations.
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