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Home All issues Volume 627 (July 2019) A&A, 627 (2019) A151 Full HTML
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This article has an erratum: [https://doi.org/10.1051/0004-6361/201935684e]

Table 2.

Derived parameters for LMC WN binaries with composite spectra.

BAT99 Spectral type T* T2/3 log g* log L R* R2/3 log Rt v∞ log Ṁ MV fV XH XN Mspec v sin i EB − V channel
[kK] [kK] [cm s−2] [L⊙] [R⊙] [R⊙] [R⊙] [km s−1] [M⊙ yr−1] [mag] [%] [%] [M⊙] [km s−1] [mag]
006 O3 If*/WN7 45 45 – 5.90 15 15 1.80 1800 −5.1 −6.3 0.52 70 0.4 74 250 0.09 ms-WR
O7 V (+?) 34 34 4.0 5.55 17 17 – – ≲ − 8.5 −6.2 0.48 – – 105 120 –
014 WN4 85 67 – 5.50 2.6 4.1 0.50 1400 −4.8 –4.1 0.34 0 0.4 16 – 0.10 w/b-WR
O9 V 33 33 4.0 4.94 9.0 9.0 – 1500 −7.7 –4.8 0.66 – – 30 150 –
017 WN4 80 48 – 5.64 3.4 6.6 0.40 1600 –4.6 –4.6 0.70 0 0.8 19 – 0.12 w/wb-WR
B0 V 28 28 4.0 4.47 7.3 7.3 – 2500 –8.0 –3.7 0.30 – – 19 150 –
019 WN3 105 63 – 5.72 2.2 6.2 0.30 2100/3000 –4.5 –4.8 0.59 0 0.8 21 650? (a) 0.13 wb-WR
O6 V 40 38 4.0 5.03 6.8 6.9 – 2300 –6.0 –4.4 0.41 – – 17 550 –
021 WN4 70 68 – 5.65 4.6 5.1 0.80 1400 –4.8 –4.5 0.28 10 1.0 19 – 0.15 w/wb-WR
O9 III 32 32 3.6 5.23 13 13 – – – –5.5 0.72 – – 25 150 –
027 WN4 80 71 – 5.94 4.9 6.4 0.70 1800 –4.6 –4.9 0.06 10 0.4 29 – 0.17 w-WR
B1 Ia 25 25 2.0 5.96 51 52 – 300 –6.0 –7.9 0.94 – – 9 <100 –
029 WN3 85 79 – 5.68 3.2 3.6 0.70 1400 –4.9 –4.2 0.84 0 0.8 20 – 0.12 w/wb-WR
B1.5 V 24 24 4.2 3.82 4.7 4.7 – – – –2.4 0.16 – – 13 <100 –
032 WN5(h) 63 59 – 5.81 6.8 7.8 0.80 2000 –4.6 –5.4 0.39 0 0.4 24 – 0.13 –
WN6(h):(uncertain) 50 50 – 5.76 10 14 1.1 1200 –4.9 –5.9 0.61 40 0.4 45 100 –
042 WN5 70 60 – 5.86 5.8 8.0 0.75 3200 –4.4 –5.1 0.04 30 0.4 26 – 0.07 w-WR
B3 I (+?) 15 14 1.4 5.78 115 133 – 300 –5.5 –8.6 0.96 – – 12 – –
043 WN3 80 71 – 5.69 3.6 4.5 0.70 1600 –4.8 –4.5 0.59 0 0.4 20 – 0.12 w-WR
O9 V 33 33 4.0 4.75 7.3 7.3 – 2400 >−8.0 –4.1 0.41 – – 19 <100 –
049 N3 100 96 – 5.35 1.6 1.7 0.80 1700 –5.1 –2.8 0.07 30 0.6 13 – 0.12 b-WR
O8 V 32 32 3.6 5.27 14 14 – 2100 –7.0 –5.6 0.93 – – 28 280 –
059 WN3 80 60 – 5.63 3.4 6.0 0.80 1400 –4.9 –4.6 0.25 0 0.8 19 – 0.17 wb-WR
O6 III 36 35 3.5 5.56 16 16 – 2200 >−7.0 –5.8 0.75 – – 30 150 –
060 WN3 80 77 – 5.47 2.8 3.0 0.90 1600 –5.0 –3.7 0.41 20 0.6 15 – 0.12 w/b-WR
O9 V 30 30 4.0 4.69 8.2 8.2 – – –4.1 0.59 – – 25 250 –
064 WN3 95 75 – 5.42 1.9 3.0 0.45 1400 –4.9 –3.7 0.39 0 0.8 14 – 0.14 w/b-WR
O9 V 33 33 4.0 4.83 8.0 8.0 – – – –4.2 0.61 – – 23 <250 –
071 WN3 90 73 – 5.35 1.9 2.8 0.50 1400 −4.9 −3.7 0.20 0 0.8 13 – 0.45 w/wb-WR
O6.5 V 38 38 4.0 5.27 10.0 10 – – – –5.2 0.80 – – 36 150 –
072 WN4 70 70 – 5.05 2.3 2.4 0.90 1800 –5.0 –3.2 0.27 40 0.8 20 – 0.40 –
O3.5 V (uncertain) 44 44 4.0 5.11 6.2 6.2 – – – –4.3 0.73 – – 14 <150 –
077 WN7 45 41 – 5.79 13 13 1.30 1000 –5.0 –5.8 0.39 70 0.4 65 – 0.45 ms-WR
O7.5 III 35 33 3.4 5.69 19 19 – – – –6.3 0.61 – – 33 <200 –
079 WN7 45 35 – 5.90 15 24 1.00 1000 –4.8 –6.5 0.45 40 0.8 54 – 0.59 w-WR
O9 I 30 30 3.2 5.65 25 25 – 1800 – –6.7 0.55 – – 36 <100 –
080 WN5 48 47 – 5.50 8.1 8.3 1.30 2000 –4.9 –5.0 0.22 20 0.4 16 – 0.50 w/wb-WR
O9.5 III 31 31 3.4 5.6 22 22 – – – −6.4 0.78 – – 44 <150 –
092 WC4 100 73 – 6.01 3.4 6.4 0.50 3200 –4.4 –5.9 0.10 0 – 32 – 0.37 –
B1 Ia 23 22 2.7 6.07 68 71 – 1300 –5.1 –8.3 0.90 – – 85 <100 –
095 WN5: 55 44 – 6.07 12 20 0.90 1300 −4.7 −6.2 0.50 20 0.4 35 – 0.32 w/ms-WR
WN7 (uncertain) 41 32 – 5.6 13 20 0.9 2200 −4.4 −6.2 0.50 20 0.4 18 – w/ms-WR
103 WN5 50 46 – 6.09 15 16 1.30 1300 –4.9 –6.1 0.48 20 0.8 37 – 0.30 w-WR
O4 V 44 44 4.0 5.75 13 13 – – – –6.2 0.52 – – 62 250 –
107 O6.5 Iafc 33 32 3.3 6.09 34 37 – 1300 –5.2 –7.2 0.50 70 0.4 84 60 0.50 (ms-WR)
O6 Iaf 33 33 3.3 5.96 29 30 – 1300 –5.3 –7.2 0.50 70 0.4 61 60 (ms-WR)
113 O2 If*/WN5 47 45 – 6.14 18 20 1.80 1800 –5.0 –6.5 0.90 70 – 101 130 0.40 w/wb-WR
B0 V 30 30 4.0 4.69 8.2 8.2 – – – –4.1 0.10 – – 25 150 –
116 (b) WN5h 53 51 – 6.43 19 21 1.10 2500 –4.4 –6.8 0.48 65 0.4 148 – 0.49 ms-WR
WN5h 53 48 – 6.37 18 22 1.5 2500 –4.7 –6.9 0.52 65 0.4 135 – ms-WR
119 WN6h 50 45 – 6.35 20 24 1.15 1200 –4.7 –7.2 0.45 40 0.8 101 <200 0.34 w/ms-WR
O3.5 If/WN7 43 40 – 6.33 26 28 1.5 1000 –4.4 –7.4 0.55 50 0.8 109 <150 ms-WR
126 WN3 90 70 – 5.78 3.2 5.1 0.60 2200 –4.6 –4.9 0.45 0 0.8 23 – 0.08 w/wb-WR
O7 V (+OB?) 37 37 4.0 5.31 11 11 – – – –5.1 0.55 – – 44 200 –
129 WN4b 100 89 – 5.61 2.1 2.7 0.80 1500 –5.0 –3.4 0.23 10 0.8 18 – 0.30 wb-WR
O5 V 39 40 4.0 5.21 8.8 8.8 – – – –4.7 0.77 – – 28 200 –

Notes. (a)Depending on whether or not corotation is assumed (see Appendix A). (b)Parameters adopted from Tehrani et al. (2019); our results are comparable, but with the reddening law used in this work, we obtain log L1, 2 = 6.31, 6.20 [L⊙] (see Appendix A).

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