Table 1
Mean NCRs (⟨NCR⟩) of different stellar types in the LMC at a simulated distance of 20 and 35 Mpc, with accurate coordinates (“acc”) and simulated positional errors of σ = 0.5 arcsec (“err”).
| 20 Mpc | 35 Mpc | ||||
| Stellar type | N | ⟨NCR⟩(acc) | ⟨NCR⟩(err) | ⟨NCR⟩(acc) | ⟨NCR⟩(err) |
|
|
|||||
| Random | 250 | 0.095 ± 0.007 | – | 0.101 ± 0.006 | – |
| B2V (8 M⊙) | 92 | 0.486 ± 0.030 | 0.472 ± 0.030 | 0.524 ± 0.030 | 0.513 ± 0.029 |
| B1V (13 M⊙) | 135 | 0.530 ± 0.024 | 0.509 ± 0.025 | 0.537 ± 0.023 | 0.529 ± 0.023 |
| B0V (17.5 M⊙) | 147 | 0.627 ± 0.022 | 0.610 ± 0.023 | 0.631 ± 0.022 | 0.603 ± 0.022 |
| O9V (20 M⊙) | 117 | 0.692 ± 0.022 | 0.658 ± 0.023 | 0.646 ± 0.023 | 0.615 ± 0.023 |
| O8V (25 M⊙) | 89 | 0.667 ± 0.028 | 0.637 ± 0.029 | 0.623 ± 0.030 | 0.594 ± 0.030 |
| O7V (31 M⊙) | 52 | 0.719 ± 0.027 | 0.685 ± 0.029 | 0.678 ± 0.030 | 0.645 ± 0.031 |
| O6V (37 M⊙) | 48 | 0.742 ± 0.031 | 0.711 ± 0.034 | 0.706 ± 0.035 | 0.673 ± 0.036 |
| O5V (44 M⊙) | 13 | 0.805 ± 0.065 | 0.776 ± 0.060 | 0.785 ± 0.061 | 0.755 ± 0.063 |
| O4V (53 M⊙) | 14 | 0.820 ± 0.073 | 0.784 ± 0.075 | 0.792 ± 0.085 | 0.745 ± 0.083 |
| O3V (64 M⊙) | 12 | 0.961 ± 0.027 | 0.931 ± 0.030 | 0.952 ± 0.034 | 0.911 ± 0.037 |
| RSG | 543 | 0.182 ± 0.010 | 0.180 ± 0.010 | 0.229 ± 0.010 | 0.228 ± 0.010 |
| RSG (log L/L⊙< 4.6) | 361 | 0.155 ± 0.011 | 0.152 ± 0.011 | 0.196 ± 0.011 | 0.196 ± 0.011 |
| RSG (log L/L⊙ ≥ 4.6) | 182 | 0.236 ± 0.018 | 0.239 ± 0.018 | 0.295 ± 0.017 | 0.290 ± 0.017 |
| RSG (log L/L⊙ ≥ 4.8) | 76 | 0.267 ± 0.031 | 0.268 ± 0.031 | 0.321 ± 0.029 | 0.321 ± 0.029 |
| YSG | 109 | 0.331 ± 0.029 | 0.328 ± 0.029 | 0.387 ± 0.028 | 0.375 ± 0.028 |
| YSG (log L/L⊙ ≥ 4.8) | 37 | 0.373 ± 0.044 | 0.362 ± 0.044 | 0.417 ± 0.047 | 0.412 ± 0.044 |
| SG B[e] | 12 | 0.340 ± 0.086 | 0.342 ± 0.079 | 0.371 ± 0.083 | 0.375 ± 0.082 |
| LBV | 10 | 0.523 ± 0.082 | 0.511 ± 0.075 | 0.539 ± 0.085 | 0.527 ± 0.080 |
| Classical LBV | 3 | 0.774 ± 0.115 | 0.750 ± 0.086 | 0.785 ± 0.110 | 0.761 ± 0.096 |
| Low-luminosity LBV | 7 | 0.416 ± 0.077 | 0.409 ± 0.072 | 0.434 ± 0.087 | 0.427 ± 0.081 |
| WN | 94 | 0.561 ± 0.031 | 0.544 ± 0.032 | 0.575 ± 0.032 | 0.553 ± 0.032 |
| Early WN | 67 | 0.508 ± 0.035 | 0.490 ± 0.036 | 0.525 ± 0.036 | 0.503 ± 0.036 |
| Late WN | 27 | 0.676 ± 0.058 | 0.663 ± 0.057 | 0.684 ± 0.059 | 0.665 ± 0.057 |
| WN (no H) | 45 | 0.515 ± 0.043 | 0.492 ± 0.044 | 0.517 ± 0.043 | 0.502 ± 0.043 |
| Early WN (no H) | 38 | 0.442 ± 0.039 | 0.419 ± 0.041 | 0.442 ± 0.039 | 0.430 ± 0.040 |
| Late WN (no H) | 7 | 0.847 ± 0.081 | 0.832 ± 0.073 | 0.866 ± 0.070 | 0.821 ± 0.076 |
| (Early) WC | 24 | 0.656 ± 0.045 | 0.641 ± 0.045 | 0.662 ± 0.048 | 0.632 ± 0.050 |
Notes. The indicative initial masses of main-sequence stars are from Weidner & Vink (2010) for O stars and from Cox (2000) for B stars.
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