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Table 2
Derived physical parameters for R145.
| Parameter | Primary | Secondary |
|
|
||
| Spectral type | WN6h | O3.5 If*/WN7 |
| T∗ [K] | 50 000 ± 3000 | 43 000 ± 3000 |
| log L [L⊙] | 6.35 ± 0.15 | 6.33 ± 0.15 |
| log Rt [R⊙] | 1.05 ± 0.05 | 1.50 ± 0.15 |
| v∞ [km s-1] | 1200 ± 200 | 1000 ± 200 |
| R∗ [R⊙] |
|
|
| D [R⊙] | 10 ± 0.3 dex | 10 ± 0.3 dex |
| log Ṁ [M⊙ yr-1] | −4.45 ± 0.15 | −4.9 ± 0.3 |
| vsini [km s-1] | <200 | <150 |
| vrot [km s-1] | <350 | <270 |
| XH (mass fraction) | 0.4 ± 0.1 | 0.5 ± 0.2 |
| XC/ 10-4 (mass fraction) | 0.8 ± 0.3 | 0.7 ± 0.4 |
| XN/ 10-3 (mass fraction) | 8 ± 4 | 8 ± 4 |
| XO/ 10-4 (mass fraction) | ≲1 | ≲1 |
| XSi/ 10-4 (mass fraction) | 7 (fixed) | 7 ± 3 |
| Mv[mag] | −7.21 ± 0.25 | −7.43 ± 0.25 |
| MV[mag] | −7.15 ± 0.25 | −7.30 ± 0.25 |
| MMLR,hom [M⊙] |
|
|
| MMLR,He−b [M⊙] |
|
|
| EB−V [mag] | 0.34 ± 0.01 | |
| AV [mag] | 1.4 ± 0.2 | |
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