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Table 4.
Updated parameters of the system HD 159313/4U1700-37, including error estimates and references.
| HD 153919/4U1700-37 | |||
|---|---|---|---|
| Quantity | Value | Error | Reference |
| Spectral type | O6.5 Iaf+ | Walborn (1973) | |
| Teff (Kelvin) | 35,000 | ±1000 | Clark et al. (2002) |
| dHD 153919 (kpc) | 1.58 | ±0.07 | Gaia EDR3 Gaia Collaboration (2020) |
| dNGC 6231 (kpc) | 1.63 | ±0.15 | Gaia EDR3 Gaia Collaboration (2020) |
| log(L/L⊙) | 5.93 | ±0.05 | This work |
| f (m) (M⊙) | 0.0029 | Hammerschlag-Hensberge et al. (2003) | |
| P (days) | 3.411581 | ±0.000027 | Islam & Paul (2016) |
| K (km s−1) | 20.6 | ±1.0 | Hammerschlag-Hensberge et al. (2003) |
| e | 0.22 | ±0.04 | Hammerschlag-Hensberge et al. (2003) |
| sin(i) | 0.88 | ±0.14 | This work |
| MX (M⊙) | 2.54 | ±0.27 | Hammerschlag-Hensberge et al. (2003) |
| MP (M⊙) | 60 | ±11 | Hammerschlag-Hensberge et al. (2003) |
| a (R⊙) | 38 | ±1 | Kepler’s 3rd law |
| θE(degrees) | 32 deg | ±1 deg | Falanga et al. (2015) |
| RP (R⊙) | 25.1 | ±4.0 | This work |
| Ṁ (M⊙ yr−1) | > 2.1 ⋅ 10−6 | Falanga et al. (2015) | |
| V∞ (km s−1) | 1700 | ±100 | van Loon et al. (2001) |
| RL (R⊙) | 27.6 | ±0.2 | Falanga et al. (2015) |
| Vr (km s−1) | −64.5 | ±1.5 | Hutchings (1974) |
| μl (mas yr−1) | 5.46 | ±0.05 | Gaia EDR3 Gaia Collaboration (2020) |
| μb (mas yr−1) | 1.13 | ±0.03 | Gaia EDR3 Gaia Collaboration (2020) |
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