Table 1
Sonic-point conditions for WC/WO stars in the Galaxy and LMC.
| Name | ST | log (L) | M | log (Ṁ) | ν∞ | νesc | η | Rref/R⋆ | f |
|
T ⋆ | T ref | T s | log (Pr) | log (Pg) |
| [ L⊙ ] | [ M⊙ ] |
|
|
|
[kK] | [kK] | [kK] |
|
|
||||||
|
|
|||||||||||||||
| WR102 | 2 | 5.68 | 19.21 | –5.16 | 5000 | 3567 | 3.56 | 1.21 | 0.58 | 8.95 | 200.0 | 181.7 | 297.8 | 7.30 | 4.97 |
| WR142 | 2 | 5.70 | 19.77 | –4.99 | 5000 | 3576 | 4.97 | 1.42 | 0.58 | 17.14 | 200.0 | 167.9 | 321.1 | 7.43 | 5.13 |
| WR038 | 4 | 5.20 | 10.30 | –4.66 | 3200 | 2169 | 21.65 | 2.49 | 0.60 | 224.82 | 126.0 | 79.9 | 288.1 | 7.24 | 5.14 |
| WR052 | 4 | 5.12 | 9.37 | –4.71 | 3225 | 1925 | 23.21 | 2.04 | 0.63 | 153.56 | 112.0 | 78.5 | 257.5 | 7.04 | 4.94 |
| WR144 | 4 | 5.22 | 10.55 | –4.60 | 3500 | 1929 | 25.81 | 2.12 | 0.64 | 179.91 | 112.0 | 76.9 | 262.4 | 7.08 | 4.95 |
| WR004 | 5 | 5.30 | 11.64 | –4.68 | 2528 | 1364 | 13.00 | 1.42 | 0.65 | 40.59 | 79.0 | 66.2 | 156.1 | 6.18 | 4.08 |
| WR017 | 5 | 5.15 | 9.70 | –4.85 | 2231 | 1358 | 11.04 | 1.36 | 0.62 | 33.05 | 79.0 | 67.6 | 151.7 | 6.13 | 4.05 |
| WR033 | 5 | 5.30 | 11.64 | –4.56 | 3342 | 1364 | 22.72 | 1.42 | 0.71 | 64.89 | 79.0 | 66.2 | 175.3 | 6.38 | 4.22 |
| WR111 | 5 | 5.35 | 12.38 | –4.67 | 2398 | 1540 | 11.23 | 1.64 | 0.61 | 49.74 | 89.0 | 69.5 | 172.2 | 6.35 | 4.26 |
| WR114 | 5 | 5.35 | 12.38 | –4.54 | 3200 | 1367 | 20.24 | 1.45 | 0.70 | 60.36 | 79.0 | 65.7 | 170.9 | 6.33 | 4.18 |
| WR150 | 5 | 5.40 | 13.19 | –4.54 | 3000 | 1545 | 17.08 | 1.67 | 0.66 | 72.26 | 89.0 | 68.8 | 187.2 | 6.49 | 4.37 |
| WR005 | 6 | 5.45 | 14.07 | –4.64 | 2120 | 1376 | 8.39 | 1.49 | 0.61 | 30.73 | 79.0 | 64.7 | 142.5 | 6.02 | 3.94 |
| WR013 | 6 | 5.48 | 14.63 | –4.65 | 2000 | 1379 | 7.34 | 1.50 | 0.59 | 28.07 | 79.0 | 64.4 | 138.8 | 5.97 | 3.90 |
| WR015 | 6 | 5.55 | 16.06 | –4.47 | 2675 | 1388 | 12.61 | 1.54 | 0.66 | 45.35 | 79.0 | 63.7 | 154.4 | 6.16 | 4.03 |
| WR023 | 6 | 5.50 | 15.02 | –4.56 | 2342 | 1381 | 9.95 | 1.51 | 0.63 | 36.27 | 79.0 | 64.2 | 147.3 | 6.07 | 3.98 |
| WR027 | 6 | 5.48 | 14.63 | –4.63 | 2100 | 1379 | 8.09 | 1.50 | 0.60 | 30.35 | 79.0 | 64.4 | 141.4 | 6.00 | 3.93 |
| WR045 | 6 | 5.50 | 15.02 | –4.59 | 2200 | 1381 | 8.78 | 1.51 | 0.61 | 32.77 | 79.0 | 64.2 | 143.7 | 6.03 | 3.95 |
| WR132 | 6 | 5.35 | 12.38 | –4.68 | 2400 | 1229 | 11.10 | 1.29 | 0.66 | 27.91 | 71.0 | 62.5 | 134.5 | 5.92 | 3.81 |
| WR154 | 6 | 5.30 | 11.64 | –4.72 | 2300 | 1364 | 10.76 | 1.42 | 0.63 | 34.77 | 79.0 | 66.2 | 150.3 | 6.11 | 4.03 |
| WR014 | 7 | 5.30 | 11.64 | –4.75 | 2194 | 1226 | 9.55 | 1.27 | 0.64 | 24.15 | 71.0 | 62.9 | 130.7 | 5.87 | 3.78 |
| WR056 | 7 | 5.35 | 12.38 | –4.75 | 2009 | 1229 | 7.78 | 1.29 | 0.62 | 20.85 | 71.0 | 62.5 | 125.3 | 5.79 | 3.72 |
| WR064 | 7 | 5.20 | 10.30 | –4.94 | 1700 | 1222 | 6.07 | 1.24 | 0.58 | 16.16 | 71.0 | 63.7 | 120.0 | 5.72 | 3.67 |
| WR068 | 7 | 5.35 | 12.38 | –4.73 | 2100 | 1229 | 8.50 | 1.29 | 0.63 | 22.40 | 71.0 | 62.5 | 127.5 | 5.82 | 3.74 |
| WR090 | 7 | 5.23 | 10.68 | –4.83 | 2053 | 1223 | 8.71 | 1.25 | 0.63 | 21.80 | 71.0 | 63.4 | 128.5 | 5.84 | 3.76 |
| WR053 | 8 | 5.15 | 9.70 | –4.94 | 1800 | 859 | 7.12 | 1.04 | 0.68 | 11.32 | 50.0 | 49.1 | 85.0 | 5.12 | 3.03 |
| WR057 | 8 | 5.30 | 11.64 | –4.84 | 1787 | 1088 | 6.42 | 1.17 | 0.62 | 14.15 | 63.0 | 58.2 | 106.3 | 5.51 | 3.44 |
| WR060 | 8 | 5.40 | 13.19 | –4.65 | 2300 | 1093 | 10.04 | 1.19 | 0.68 | 21.10 | 63.0 | 57.7 | 115.9 | 5.66 | 3.55 |
| WR135 | 8 | 5.28 | 11.35 | –4.82 | 1343 | 1087 | 5.18 | 1.34 | 0.55 | 16.73 | 63.0 | 54.5 | 103.6 | 5.46 | 3.47 |
| WR059 | 9 | 4.90 | 7.29 | –5.13 | 1300 | 688 | 5.93 | 1.01 | 0.65 | 9.31 | 40.0 | 39.7 | 65.7 | 4.67 | 2.65 |
| WR065 | 9 | 5.12 | 9.37 | –4.97 | 1300 | 687 | 5.22 | 1.02 | 0.65 | 8.35 | 40.0 | 39.6 | 63.8 | 4.62 | 2.59 |
| WR069 | 9 | 5.20 | 10.30 | –4.98 | 1089 | 688 | 3.50 | 1.03 | 0.61 | 6.02 | 40.0 | 39.5 | 59.1 | 4.49 | 2.48 |
| WR080 | 9 | 4.95 | 7.71 | –5.01 | 1600 | 773 | 8.66 | 1.04 | 0.67 | 13.79 | 45.0 | 44.2 | 80.2 | 5.02 | 2.98 |
| WR081 | 9 | 5.15 | 9.70 | –4.71 | 1600 | 773 | 10.90 | 1.14 | 0.67 | 20.88 | 45.0 | 42.2 | 84.6 | 5.11 | 3.09 |
| WR088 | 9 | 5.25 | 10.94 | –4.81 | 1500 | 689 | 6.45 | 1.03 | 0.69 | 9.99 | 40.0 | 39.4 | 66.3 | 4.69 | 2.63 |
| WR092 | 9 | 5.22 | 10.55 | –4.81 | 1121 | 775 | 5.14 | 1.15 | 0.59 | 11.50 | 45.0 | 42.0 | 72.9 | 4.85 | 2.88 |
| WR095 | 9 | 5.20 | 10.30 | –4.75 | 1900 | 774 | 10.57 | 1.06 | 0.71 | 16.65 | 45.0 | 43.8 | 83.1 | 5.08 | 2.99 |
| WR103 | 9 | 5.14 | 9.59 | –4.84 | 1190 | 773 | 6.06 | 1.13 | 0.61 | 12.88 | 45.0 | 42.2 | 75.4 | 4.91 | 2.94 |
| WR106 | 9 | 5.15 | 9.70 | –4.87 | 1100 | 773 | 5.15 | 1.14 | 0.59 | 11.33 | 45.0 | 42.2 | 73.1 | 4.86 | 2.89 |
| WR117 | 9 | 5.35 | 12.38 | –4.45 | 2000 | 969 | 15.72 | 1.44 | 0.67 | 48.68 | 56.0 | 46.6 | 114.9 | 5.64 | 3.60 |
| WR119 | 9 | 5.20 | 10.30 | –4.76 | 1300 | 774 | 6.99 | 1.15 | 0.63 | 14.65 | 45.0 | 42.0 | 77.4 | 4.96 | 2.96 |
| WR121 | 9 | 5.20 | 10.30 | –4.83 | 1100 | 774 | 5.01 | 1.15 | 0.59 | 11.20 | 45.0 | 42.0 | 72.6 | 4.85 | 2.88 |
|
|
|||||||||||||||
| WR011 | 8 | 5.00 | 8.30 | –5.00 | 1550 | 988 | 7.61 | 1.14 | 0.61 | 16.12 | 57.0 | 53.4 | 100.7 | 5.41 | 3.39 |
| WR014 | 7 | 5.38 | 12.82 | –4.70 | 2055 | 1385 | 8.39 | 1.50 | 0.60 | 31.45 | 80.0 | 65.4 | 144.9 | 6.05 | 3.98 |
| WR023 | 6 | 5.30 | 11.45 | –4.80 | 2280 | 1284 | 8.89 | 1.25 | 0.64 | 21.83 | 75.0 | 67.0 | 135.8 | 5.93 | 3.83 |
| WR090 | 7 | 5.50 | 15.00 | –4.60 | 2045 | 1241 | 7.97 | 1.39 | 0.62 | 24.74 | 71.0 | 60.2 | 125.8 | 5.80 | 3.72 |
| WR103 | 9 | 4.90 | 7.38 | –5.00 | 1140 | 831 | 7.04 | 1.17 | 0.58 | 16.54 | 48.0 | 44.5 | 84.3 | 5.10 | 3.16 |
| WR111 | 5 | 5.30 | 11.33 | –4.80 | 2300 | 1551 | 8.97 | 1.50 | 0.60 | 33.87 | 91.0 | 74.3 | 167.5 | 6.30 | 4.22 |
| WR135 | 8 | 5.20 | 10.50 | –4.90 | 1400 | 1094 | 5.46 | 1.27 | 0.56 | 15.58 | 63.0 | 56.0 | 104.6 | 5.48 | 3.47 |
| WR154 | 6 | 5.02 | 8.23 | –5.00 | 2280 | 1365 | 10.69 | 1.25 | 0.63 | 26.64 | 80.0 | 71.6 | 152.3 | 6.13 | 4.05 |
| WR111 | 5 | 5.45 | 13.99 | –4.90 | 2200 | 1476 | 4.82 | 1.20 | 0.60 | 11.58 | 85.0 | 77.6 | 135.2 | 5.93 | 3.80 |
|
|
|||||||||||||||
| BR007 | 4 | 5.44 | 14.09 | –4.80 | 2500 | 1578 | 7.06 | 1.31 | 0.61 | 19.90 | 90.0 | 78.5 | 155.6 | 6.17 | 4.04 |
| BR008 | 4 | 5.42 | 13.33 | –4.90 | 2300 | 1466 | 5.40 | 1.19 | 0.61 | 12.62 | 85.0 | 77.8 | 138.2 | 5.96 | 3.84 |
| BR010 | 4 | 5.70 | 20.04 | –4.50 | 3000 | 1620 | 9.29 | 1.46 | 0.65 | 30.34 | 90.0 | 74.6 | 163.8 | 6.26 | 4.09 |
| BR043 | 4 | 5.65 | 18.24 | –4.50 | 2900 | 1591 | 10.08 | 1.53 | 0.65 | 36.56 | 90.0 | 72.7 | 167.2 | 6.29 | 4.15 |
| BR050 | 4 | 5.68 | 19.69 | –4.40 | 3200 | 1534 | 13.06 | 1.52 | 0.68 | 44.43 | 85.0 | 69.0 | 166.5 | 6.29 | 4.12 |
| BR074 | 4 | 5.44 | 13.71 | –4.80 | 2600 | 1470 | 7.34 | 1.23 | 0.64 | 17.46 | 85.0 | 76.6 | 147.0 | 6.07 | 3.93 |
| SND2 | 2 | 5.30 | 11.12 | –5.00 | 4100 | 2533 | 10.09 | 1.47 | 0.62 | 35.28 | 150.0 | 123.7 | 281.9 | 7.20 | 5.00 |
Notes. Empirical estimates from Sect. 4.1. Columns 1–8 indicate names, spectral subtypes, and empirical stellar parameters for putatively single WC/WO stars compiled from various sources in the literature (top: Galactic WC/WO stars from Sander et al. 2012; middle: Galactic WC stars from Hillier & Miller 1999; De Marco et al. 2000; Dessart et al. 2000; Smartt et al. 2001; Crowther et al. 2006; Gräfener et al. 2002; bottom: LMC WC/WO stars from Crowther et al. 2002, 2000). Typical error margins given by Sander et al. (2012) are Δlog (L) = ± 0.3; 
; Δlog (T⋆) = ± 0.05. A clumping factor D = 10 has been adopted for all objects. Columns 9–16 indicate wind parameters that are directly deduced from the empirical stellar parameters, as outlined in Sect. 4.1. Pr and Pg denote the radiation and gas pressure at the sonic point obtained from this method.
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