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Table 7

Mean NCRs (NCR) of selected stellar types using three different S/Ns (“medium” is an S/N comparable to A12 and K13, while “high” and “low” S/Ns are five times higher and five times lower, respectively) in the LMC, at simulated distances of 20, 35 and 75 Mpc.

Stellar type N NCR (high S/N) NCR (medium S/N) NCR (low S/N)

20 Mpc
Random 250 0.117 ± 0.006 0.095 ± 0.007 0.045 ± 0.006
RSG 543 0.207 ± 0.009 0.180 ± 0.010 0.106 ± 0.010
YSG 109 0.350 ± 0.027 0.328 ± 0.029 0.245 ± 0.032
B2V 92 0.487 ± 0.028 0.472 ± 0.030 0.401 ± 0.037
B0V 147 0.617 ± 0.022 0.610 ± 0.023 0.562 ± 0.028
O5V 13 0.781 ± 0.058 0.776 ± 0.060 0.750 ± 0.077
O3V 12 0.933 ± 0.029 0.931 ± 0.030 0.930 ± 0.033

35 Mpc
Random 250 0.105 ± 0.006 0.101 ± 0.006 0.090 ± 0.008
RSG 543 0.232 ± 0.010 0.228 ± 0.010 0.160 ± 0.011
YSG 109 0.381 ± 0.027 0.375 ± 0.028 0.314 ± 0.032
B2V 92 0.514 ± 0.029 0.513 ± 0.029 0.463 ± 0.037
B0V 147 0.604 ± 0.022 0.603 ± 0.022 0.582 ± 0.026
O5V 13 0.751 ± 0.064 0.755 ± 0.063 0.739 ± 0.075
O3V 12 0.907 ± 0.038 0.911 ± 0.037 0.908 ± 0.039

75 Mpc
Random 250 0.138 ± 0.008 0.140 ± 0.008 0.136 ± 0.009
RSG 543 0.283 ± 0.010 0.285 ± 0.010 0.244 ± 0.011
YSG 109 0.421 ± 0.029 0.420 ± 0.029 0.387 ± 0.031
B2V 92 0.550 ± 0.030 0.557 ± 0.030 0.523 ± 0.033
B0V 147 0.587 ± 0.024 0.587 ± 0.024 0.580 ± 0.025
O5V 13 0.728 ± 0.075 0.724 ± 0.075 0.723 ± 0.079
O3V 12 0.887 ± 0.048 0.885 ± 0.049 0.885 ± 0.051

Notes. Positional errors are included in all results.

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