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Table 5

Main parameters for stars with available spectral classification (SC).

ID αJ2000.0 δJ2000.0 SC V (BV) EUB E BV EVI V°MV

NGC 3572

HD 97166 11:10:06.0 –60:14:54.3 O7.5 IV + O9 III 7.89 0.03
HD 97166a 11:10:06.0 -60:14:54.3 O9 III 8.50* 0.04* 0.27 0.35 12.5
HD 97166b 11:10:06.0 –60:14:54.3 O7.5 IV 8.80* 0.02* 0.27 0.35 12.5

Hogg 10
HD 97253 11:10:42.1 –60:23:04.2 O5 IIIe 7.11 0.18 0.44 0.50 11.3
174 11:10:46.7 –60:23:00.7 B5 IV 11.86 0.28 0.26 0.45 0.56
260 11:10:53.0 –60:22:24.4 B3 V 12.32 0.24 0.34 0.45 0.59 12.6
336 11:10:38.9 –60:22:30.1 B5 V 12.71 0.26 0.31 0.43 0.56 12.4
357 11:10:37.9 –60:24:00.4 B5 V 12.77 0.25 0.25 0.42 0.51 12.5
385 11:10:39.7 –60:23:10.4 B2.5 V 12.85 0.26 0.46 0.48 0.63 13.4
557 11:10:39.3 –60:22:04.2 B6 V 13.36 0.29 0.31 0.44 0.59 12.7
949 11:10:38.2 –60:23:03.8 B6 V 14.01 0.36 0.69 0.51 0.61 13.1

Hogg 11

HD 97381 11:11:32.7 –60:22:38.2 B1 III 8.32 0.02 0.25 0.29 1.26 11.6

Trumpler 18

HD 97434 11:11:49.6 –60:41:58.3 O7.5 III 8.06 0.08 0.43 0.39 12.3
120 11:10:59.6 –60:43:50.0 B7 V 11.54 0.18 0.19 0.31 0.51 11.0

NGC 3590

110 11:13:03.1 –60:47:52.0 B2 V 11.40 0.32 0.45 0.56 0.71 12.2
171 11:13:01.1 –60:47:22.1 B4 V 11.83 0.33 0.33 0.52 0.64 11.5
231 11:12:57.4 –60:47:36.3 B5 V 12.19 0.38 0.37 0.55 0.68 11.5
251 11:13:09.4 –60:47:18.0 B5 V 12.28 0.36 0.35 0.52 0.67 11.7
306 11:12:59.2 –60:47:34.4 B5 V 12.54 0.36 0.43 0.53 0.66 11.9
339 11:12:57.1 –60:47:00.9 B4 V 12.72 0.36 0.34 0.55 0.66 12.3
343 11:12:52.3 –60:46:32.3 B5 V 12.73 0.36 0.34 0.52 0.65 12.1
412 11:13:06.2 –60:47:01.0 B5 V 12.98 0.39 0.67 0.56 0.65 12.2
547 11:12:58.9 –60:46:36.3 B6 V 13.34 0.34 0.39 0.49 0.59 12.5
596 11:12:51.3 –60:46:58.0 B9 V 13.42 0.47 0.17 0.54 0.70 11.5
669 11:13:03.3 –60:46:57.9 B6 V 13.55 0.33 0.36 0.48 0.61 12.8
813 11:13:13.7 –60:47:18.3 B8 V 13.80 0.45 0.40 0.56 0.72 12.2
1018 11:13:00.9 –60:46:40.6 B9 V 14.10 0.38 0.29 0.45 0.53 12.4
1171 11:13:13.5 –60:47:54.4 B9 V 14.27 0.50 0.35 0.57 0.75 12.2

Population C

767 11:11:43.2 –60:49:56.3 O7 V 13.72 0.92 1.07 1.25 1.86 14.3
900 11:12:53.4 –60:50:45.0 O7 V 13.94 1.24 1.35 1.57 2.38 13.3
508 11:12:30.1 –60:39:03.0 B2 Ib 13.26 1.44 1.33 1.60 2.09 14.2
519 11:10:56.9 –60:42:22.3 Be 13.28 0.86
810 11:12:06.9 –60:46:32.3 O9 V–B0 V 13.80 0.91 1.08–1.03 1.23–1.22 1.79–1.79 13.9–13.4
920 11:11:55.3 –60:46:38.3 B0 V–B1 V 13.96 1.03 1.07–0.97 1.34–1.31 1.99–1.81 13.1–12.6
978 11:13:40.2 –60:43:13.5 B1 V–B3 V 14.05 1.10 1.05–0.82 1.37–1.31 1.90–1.81 12.5–11.2
1035 11:10:56.8 –60:26:06.1 B0 V–B1 V 14.13 1.00 1.00–0.90 1.31–1.28 2.08–1.90 13.4–12.9
1185 11:13:22.4 –60:40:06.8 B2 V + B2 V 14.28 0.87
1185a 11:13:22.4 –60:40:06.8 B2 V 15.03* 0.87* 0.68 1.11 2.17 13.6
1185b 11:13:22.4 –60:40:06.8 B2 V 15.03* 0.87* 0.68 1.11 2.17 13.6
1204 11:12:14.8 –60:46:34.7 B2 III–B2 IV 14.30 0.86 0.89–0.92 1.09–1.10 1.51–1.51 14.1

Field

HD 97223 11:10:31.3 –60:35:05.8 B3 V 8.73 –0.04 0.38 0.17 9.9
HD 97222 11:10:32.4 –60:08:38.5 B0 II 8.84 0.20 0.42 0.49
HD 97284 11:10:52.3 –60:44:30.0 B0.5 Iab–Ib 8.86 0.05 0.36 0.28 0.36 14.5
HD 97297 11:11:04.0 –60:18:34.2 A0 IV 8.90 0.19 –0.04 0.20 0.15
CPD-593120 11:10:47.2 –60:23:19.1 B5 II–III 10.22 0.33 0.34 0.50 10.8

Notes.

(*)

Value computed from the individual spectral classification of the binary component.

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