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Table 3

Main results of CMFGEN modeling of Mercer 30 cluster members.

ID Teff [kK] log g νLSR [ km s-1 ] X H a Y He a (HKS)0 R T M / M log (L/L) log QH

Mc30-1 32.2 3.1c var. (binary)b 0.43 0.57 0.047 49.4 99c 6.51 50.15
Mc30-2 21.2 2.4c 38 0.61 0.37 0.011 79.8 51c 6.02 48.84
Mc30-3 39.3 3.80 22 0.71 0.28 0.112 222.0 73 5.83 49.54
Mc30-5 36.7 3.80 20 0.71 0.28 0.110 172.9 19 5.13 48.75
Mc30-6a 29.9 3.1c var. (binary)b 0.71 0.28 0.003 61.1 62c 6.13 49.67
Mc30-6b 30.5 3.1c 42 0.71 0.28 0.063 61.9 54c 6.03 49.61
Mc30-7 41.4 3.6c var. (binary)b 0.33 0.66 0.036 26.6 60c 6.24 50.06
Mc30-8 38.1 3.5c 31 0.42 0.57 0.097 18.5 49c 6.07 49.86
Mc30-9 34.5 3.50 var. (binary)b 0.71 0.28 0.107 189.8 61 5.83 49.44
Mc30-10 39.5 3.65 var. (binary)b 0.71 0.28 0.096 178.1 42 5.75 49.51
Mc30-11 36.8 3.65 35 0.71 0.28 0.102 178.1 73 5.87 49.53
Mc30-13 36.3 3.65 var. (binary)b 0.71 0.28 0.086 189.8 46 5.64 49.30
Mc30-18 35.5 3.65 var. (binary)b 0.71 0.28 0.098 99.2 34 5.48 49.08
Mc30-19 36.0 3.50 34 0.71 0.28 0.104 253.0 40 5.72 49.40
Mc30-22 32.5 3.80 25 0.71 0.28 0.111 382.8 17 4.87 48.19

Notes.

(a)

Surface abundances are expressed in mass fraction.

(b)

The varying radial velocities of binary stars are shown in Table 5.

(c)

Models with dense winds whose surface gravities cannot be reliably inferred; masses have been estimated using the method of Gräfener et al. (2011) (see text for a detailed description).

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