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Table B.2

Properties of the analyzed SMC stars.

Star Number T eff M evol τ H t N t isochrone Binary Class
km s-1 K M dex Myr Myr Myr

NGC 346–27 S1 220 31 000 18  ≤7.71 9.7 0.57  ≥ 0.57 9.7 7.6 2
NGC 346–32 S2 125 29 000 17  ≤6.88 9.1 0.85  ≥ 0.85 9.1 9.2 yes 2
NGC 346–53 S3 170 29 500 15  ≤7.44 10.9 0.57  ≥ 0.57 10.9 9.4 yes 2
NGC 346–55 S4 130 29 500 15  ≤7.25 10.9 0.64  ≥ 0.58 10.9 9.4 2
NGC 346–58 S5 180 29 500 14  ≤7.56 12.0 0.51  ≥ 0.51 12.0 9.6 yes 2
NGC 346–70 S6 109 30 500 15  ≤7.50 11.0 0.34  ≥ 0.33 11.0 8.2 2
NGC 346–79 S7 293 29 500 14  ≤7.88 13.4 0.65  ≥ 0.64 13.4 9.4 2
NGC 346–80 S8 216 27 300 12  ≤7.85 15.4 0.48  ≥ 0.48 15.4 12.8 2
NGC 346–81 S9 255 21 200 9  ≤7.52 25.1 0.73  ≥ 0.73 25.1 24.4 2
NGC 346–82 S10 168 21 200 9  ≤7.55 24.7 0.46  ≥ 0.46 24.7 24.4 yes 2
NGC 346–83 S11 207 27 300 12  ≤7.73 15.3 0.50  ≥ 0.50 15.3 12.8 yes 2
NGC 346–84 S12 105 27 300 12  ≤7.06 15.0 0.59  ≥ 0.55 15.2 12.8 2
NGC 346–92 S13 234 27 300 12  ≤7.52 15.5 0.69  ≥ 0.68 15.5 12.8 2
NGC 346–100 S14 183 26 100 11  ≤7.41 17.5 0.63  ≥ 0.61 17.5 15.0 2
NGC 346–106 S15 142 27 500 12  ≤7.51 15.1 0.42  ≥ 0.42 15.1 12.4 yes 2
NGC 346–108 S16 167 26 100 11  ≤7.42 17.4 0.56  ≥ 0.55 17.4 15.0 2
NGC 346–109 S17 123 26 100 11  ≤7.09 17.4 0.67  ≥ 0.62 17.4 15.0 2
NGC 346–114 S18 287 27 300 12  ≤7.80 16.0 0.66  ≥ 0.65 16.0 12.6 2
NGC 330–21 S19 204 30 500 21  ≤7.64 9.2 0.57  ≥ 0.57 9.2 7.0 2
NGC 330–38 S20 150 27 300 14  ≤7.16 11.9 0.81  ≥ 0.79 11.9 11.2 2
NGC 330–39 S21 120 33 000 18  ≤7.61 8.4 0.34  ≥ 0.34 8.4 6.4 2
NGC 330–40 S22 106 21 200 11  ≤7.12 17.4 0.56  ≥ 0.56 17.4 20.6 2
NGC 330–41 S23 127 32 000 17 7.73 9.1 0.32 0.32 9.1 7.2 2
NGC 330–45 S24 133 18 450 9  ≤7.28 24.6 0.56  ≥ 0.56 24.6 29.0 yes 2
NGC 330–51 S25 273 26 100 12  ≤7.20 15.8 1.00 14.2 1
NGC 330–56 S26 108 21 200 9  ≤6.93 24.6 0.63  ≥ 0.62 24.6 24.0 2
NGC 330–57 S27 104 29 000 13  ≤7.48 13.3 0.33  ≥ 0.32 13.3 10.2 2
NGC 330–59 S28 123 19 000 8 7.27 30.5 0.51 0.51 30.5 30.8 2
NGC 330–66 S29 126 18 500 8  ≤7.77 30.5 0.28  ≥ 0.28 30.5 34.6 2
NGC 330–69 S30 193 19 000 8  ≤7.91 30.6 0.32  ≥ 0.32 30.6 33.2 2
NGC 330–79 S31 146 19 500 8  ≤7.69 30.5 0.35  ≥ 0.35 30.5 32.6 yes 2
NGC 330–83 S32 140 18 000 7  ≤7.66 39.1 0.34  ≥ 0.34 39.1 39.8 2
NGC 330–97 S33 154 27 300 11 7.60 17.4 0.41 0.40 17.4 12.0 2
NGC 330–110 S34 110 21 200 8 7.23 30.4 0.48 0.48 30.4 30.0 2
NGC 330–120 S35 137 18 500 6  ≤7.85 52.5 0.28  ≥ 0.28 52.5 46.8 2

Notes. From left to right: the table includes catalogue number (Evans et al. 2005), reference number used in this paper, projected surface rotational velocity, effective temperature, evolutionary mass and surface nitrogen abundance (all from Hunter et al. 2008b, 2009), main sequence lifetime, nitrogen inclination angle, inclination angle derived using the nitrogen abundance and the isochrone age, maximum age based on the surface nitrogen abundance, isochrone age, identification of binarity and class. For Class 2 stars, adopting an error in the nitrogen abundance does not lead to an increased upper age limit, and in many cases also not to an decreased lower age limit.

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