Open Access
Table A.1
Stellar parameters for the analysed sample.
| Star | RA(J2000) | Dec(J2000) | Teff (kK) | log L / L⊙ | log g (cgs) | Spectral type | Binarity status |
|---|---|---|---|---|---|---|---|
| W2a | 16:46:59.72 | −45:50:51.19 | 22.0 | 5.34 | 2.85 | B2 Ia2 | ▲ |
| W6b | 16:47:02.93 | −45:50:22.54 | 28.5 | 4.32 | 3.75 | B0-0.5 III (O9.5 III2) | ▲ |
| W10 | 16:47:03.34 | −45:50:34.60 | 29.0 | 5.72 | 3.60 | B0.5 I+OB2 | ▲ |
| W15 | 16:47:06.63 | −45:50:29.79 | 30.3 | 4.99 | 3.42 | O9-9.5 II (O9 Ib2) | △ |
| W17 | 16:47:06.25 | −45:50:49.35 | 30.3 | 5.11 | 3.42 | O9 Iab2 | △ |
| W18 | 16:47:05.70 | −45:50:50.54 | 23.5 | 5.23 | 3.00 | B0.5 Ia2 | |
| W21 | 16:47:01.11 | −45:51:13.64 | 23.5 | 5.28 | 3.00 | B0.5 Ia2 | |
| W24 | 16:47:02.15 | −45:51:12.64 | 30.3 | 5.43 | 3.42 | O9-9.5 II (O9 Iab2) | ▲ |
| W29 | 16:47:04.41 | −45:50:39.99 | 30.3 | 5.19 | 3.42 | O9-9.5 II (O9 Ib2) | |
| W37 | 16:47:06.01 | −45:50:47.53 | 30.2 | 5.14 | 3.45 | O9.5 Ib2 | |
| W38 | 16:47:02.86 | −45:50:46.20 | 30.2 | 5.13 | 3.60 | O9-9.5 I-II (O9 Iab2) | |
| W43c | 16:47:03.76 | −45:50:58.49 | 30.3 | 5.16 | 3.42 | O9-9.5 II (O9 Ib2) | |
| W47 | 16:47:02.59 | −45:51:17.91 | 29.2 | 5.05 | 3.60 | B0-0.5 II-III (O9.5 Iab2) | △ |
| W49 | 16:47:01.90 | −45:50:31.71 | 29.0 | 4.89 | 3.45 | B0-0.5 II-III (B0 Iab2) | |
| W50b | 16:47:01.17 | −45:50:26.87 | 30.2 | 4.63 | 3.75 | O9.5 III2 | |
| W52 | 16:47:01.84 | −45:51:29.43 | 23.5 | 5.54 | 3.00 | B1.5 Ia2 | ▲ |
| W55 | 16:46:58.42 | −45:51:31.36 | 28.0 | 5.23 | 3.30 | B0 Ia2 | |
| W56b | 16:46:58.86 | −45:51:46.00 | 30.3 | 4.93 | 3.42 | O9.5 II-III (O9.5 Ib2) | |
| W60 | 16:47:04.13 | −45:51:52.32 | 30.2 | 5.25 | 3.45 | O9-9.5 I-II (B0 Iab2) | |
| W61b | 16:47:02.56 | −45:51:41.92 | 30.2 | 5.24 | 3.45 | O9.5 Iab2 | |
| W62a | 16:47:02.52 | −45:51:38.09 | 29.5 | 5.05 | 3.60 | O9-9.5 II-III (B0.5 Ib2) | |
| W84 | 16:46:59.05 | −45:50:28.35 | 30.7 | 4.93 | 3.50 | O9.5 Ib2 | |
| W86 | 16:46:57.16 | −45:50:10.00 | 30.3 | 4.88 | 3.42 | O9.5 Ib2 | |
| W232 | 16:47:01.43 | −45:52:35.16 | 30.3 | 5.11 | 3.42 | O9-9.5 II-III (B0 Iab2) | ▲ |
| W238 | 16:47:04.42 | −45:52:27.87 | 26.0 | 5.41 | 3.30 | B1 Iab2 | |
| W1003 | 16:46:52.35 | −45:52:03.41 | 26.4 | 4.17 | 4.00 | B0-0.5 V | |
| W1006 | 16:46:54.48 | −45:53:30.10 | 29.0 | 4.28 | 3.75 | O9-9.5 III2 | △ |
| W1007 | 16:46:54.94 | −45:50:05.98 | 30.7 | 4.99 | 3.60 | O9.5 III2 | |
| W1008 | 16:46:55.40 | −45:51:54.33 | 30.5 | 4.74 | 3.75 | O9.5 II2 | |
| W1009 | 16:46:55.91 | −45:51:41.46 | 29.6 | 4.79 | 3.60 | O9.5 II-III (B0 Ib2) | |
| W1014 | 16:46:57.82 | −45:51:19.86 | 28.0 | 4.26 | 3.60 | B0-0.5 III (O9-9.5 III2) | |
| W1015 | 16:46:57.97 | −45:51:40.88 | 30.2 | 4.78 | 3.45 | O9 III2 | |
| W1017 | 16:46:58.24 | −45:50:34.04 | 31.5 | 4.59 | 4.15 | O9.5 V (O9-9.5 III2) | △ |
| W1018 | 16:46:58.23 | −45:50:56.99 | 29.5 | 4.71 | 3.75 | O9-9.5 II-III (O9.5 Iab2) | △ |
| W1019 | 16:46:58.38 | −45:51:49.01 | 28.3 | 4.29 | 3.75 | B0-0.5 III (O9-9.5 III2) | |
| W1022 | 16:46:59.93 | −45:50:25.60 | 30.5 | 4.57 | 3.75 | O9.5 II2 | ▲ |
| W1023 | 16:47:00.14 | −45:51:10.51 | 30.2 | 4.96 | 3.60 | O9 III2 | |
| W1026 | 16:47:01.03 | −45:49:48.96 | 29.0 | 4.47 | 3.60 | B0-0.5 III (O9.5 III2) | △ |
| W1028 | 16:47:01.32 | −45:51:38.24 | 29.0 | 4.39 | 3.75 | B0-0.5 III (O9-9.5 III2) | △ |
| W1029 | 16:47:01.50 | −45:49:50.27 | 29.4 | 4.62 | 3.60 | O9.5 III2 | △ |
| W1030 | 16:47:01.68 | −45:52:58.13 | 30.3 | 5.17 | 3.42 | O9-9.5 II-III (O9.5 Iab2) | ▲ |
| W1033 | 16:47:02.36 | −45:52:34.41 | 30.7 | 4.93 | 3.50 | O9-9.5 III (O9-9.5 I-III2) | △ |
| W1034 | 16:47:02.53 | −45:51:48.48 | 31.5 | 4.92 | 3.65 | O9.5 II-III (O9.5 Iab2) | |
| W1036 | 16:47:02.78 | −45:52:12.66 | 30.2 | 4.95 | 3.75 | O9.5 II-III (O9.5 Iab2) | |
| W1043 | 16:47:04.56 | −45:50:59.52 | 30.2 | 4.93 | 3.60 | O9.5 II-III2 | △ |
| W1044 | 16:47:05.56 | −45:49:51.66 | 29.6 | 4.45 | 3.60 | B0-0.5 III (O9.5 III2) | |
| W1045 | 16:47:05.82 | −45:51:55.08 | 30.2 | 4.71 | 3.45 | O9.5 II2 | |
| W1047 | 16:47:06.11 | −45:52:32.31 | 29.7 | 4.87 | 3.60 | O9.5 II2 | △ |
| W1048 | 16:47:06.26 | −45:51:03.95 | 28.0 | 5.26 | 3.30 | B0-0.5 Ia (O9.5 Ib2) | ▲ |
| W1050 | 16:47:06.77 | −45:49:55.35 | 29.3 | 4.66 | 3.75 | O9.5 II2 | ▲ |
| W1051 | 16:47:07.00 | −45:49:40.20 | 30.5 | 5.10 | 3.45 | O9 III2 | |
| W1052 | 16:47:07.00 | −45:52:56.05 | 27.5 | 4.17 | 4.00 | B0-0.5 III (O9 III2) | |
| W1056 | 16:47:08.69 | −45:51:01.72 | 30.8 | 5.07 | 3.60 | O9.5 II2 | ▲ |
| W1057 | 16:47:08.69 | −45:50:47.18 | 30.2 | 5.15 | 3.45 | O9.5 II-III (O9.5-B0 Iab2) | |
| W1058 | 16:47:08.90 | −45:51:24.65 | 30.3 | 4.96 | 3.42 | O9.5 I-II (O9 III2) | |
| W1060 | 16:47:09.20 | −45:50:48.45 | 31.5 | 4.97 | 3.65 | O9.5 II2 | ▲ |
| W1061 | 16:47:09.76 | −45:50:40.33 | 29.5 | 4.47 | 3.60 | B0-0.5 II-III (O9.5 III2) | △ |
| W1063 | 16:47:10.75 | −45:49:47.95 | 30.7 | 4.84 | 3.70 | O9.5 III2 | ▲ |
| W1064 | 16:47:11.51 | −45:49:59.94 | 31.5 | 4.92 | 3.65 | O9.5 I-II (O9.5 Iab2) | |
| W1065 | 16:47:11.60 | −45:49:22.54 | 26.5 | 5.46 | 3.45 | B0 Ib2 | ▲ |
| W1067 | 16:47:13.38 | −45:49:10.69 | 23.5 | 5.31 | 3.00 | B0 Iab2 | ▲ |
| 59401054873994736643 | 16:47:00.37 | −45:53:49.41 | 26.5 | 3.96 | 3.75 | B0-0.5 V | |
| 59401064881287324163 | 16:46:47.01 | −45:51:47.42 | 28.2 | 4.24 | 3.75 | B0-0.5 V | ✓ |
| G7391 | 16:47:03.51 | −45:51:59.58 | 29.0 | 4.51 | 3.60 | B0-0.5 II-III | ✓ |
| G7871 | 16:47:03.04 | −45:51:55.51 | 28.0 | 4.24 | 4.15 | O9-O9.5 V | ✓ |
| G9051 | 16:47:08.76 | −45:51:42.69 | 27.0 | 4.16 | 4.15 | O9-O9.5 V | ✓ |
| G9161 | 16:46:57.38 | −45:51:40.42 | 26.0 | 3.94 | 4.15 | B0-0.5 V | |
| G10021 | 16:47:03.88 | −45:51:31.25 | 31.5 | 5.00 | 3.65 | O9-9.5 II-III | |
| G10731 | 16:47:00.76 | −45:51:25.07 | 30.2 | 4.62 | 3.60 | O9-9.5 II-III | |
| G11151 | 16:47:07.22 | −45:51:20.55 | 31.8 | 5.02 | 3.80 | O9-9.5 II-III | |
| G13521 | 16:47:10.73 | −45:50:58.78 | 29.0 | 4.30 | 3.90 | O9-O9.5 V | ✓ |
| G13791 | 16:47:13.74 | −45:50:52.54 | 28.4 | 4.18 | 4.15 | B0-0.5 II-III | |
| G14611 | 16:46:58.25 | −45:50:45.87 | 29.8 | 4.33 | 3.85 | O9-O9.5 V | ✓ |
| G16861 | 16:47:01.95 | −45:50:21.82 | 30.2 | 4.68 | 3.60 | O9-9.5 II-III | ✓ |
| G17301 | 16:47:04.26 | −45:50:18.33 | 30.7 | 4.71 | 3.70 | O9-9.5 II-III | |
| G18461 | 16:47:10.47 | −45:50:06.62 | 29.3 | 5.06 | 3.75 | O9-9.5 II-III | |
| G18581 | 16:47:08.47 | −45:50:05.39 | 28.5 | 4.25 | 4.15 | B0-0.5 V | ✓ |
| G19161 | 16:47:04.69 | −45:49:59.86 | 29.0 | 4.32 | 3.60 | B0-0.5 II-III | |
| G19671 | 16:47:05.67 | −45:49:55.10 | 28.3 | 4.22 | 4.00 | O9-9.5 V | ✓ |
| G20071 | 16:47:03.94 | −45:49:50.70 | 30.2 | 4.79 | 3.45 | O9-9.5 II-III | |
| G30221 | 16:47:01.92 | −45:51:40.20 | 28.0 | 4.29 | 3.75 | B0-0.5 II-III | |
| G31031 | 16:47:01.48 | −45:51:32.17 | 24.0 | 3.87 | 3.75 | B1 V | ✓ |
| G31511 | 16:47:03.32 | −45:51:25.58 | 29.0 | 4.34 | 3.75 | B0-0.5 II-III | |
| G32251 | 16:47:11.79 | −45:51:14.25 | 25.0 | 3.96 | 4.20 | B1 V | ✓ |
| G32771 | 16:47:03.62 | −45:51:07.17 | 31.5 | 5.02 | 3.65 | O9-9.5 II-III | |
| G33301 | 16:47:12.26 | −45:50:59.29 | 28.4 | 4.23 | 4.15 | O9-9.5 V | |
| G40201 | 16:47:10.02 | −45:49:17.83 | 29.8 | 4.47 | 4.00 | B0-0.5 III-V | ✓ |
| G40901 | 16:46:59.60 | −45:49:07.43 | 27.0 | 4.01 | 4.00 | B0-0.5 V | |
| G42321 | 16:47:06.74 | −45:50:57.79 | 29.5 | 5.22 | 3.45 | O9-9.5 I-II | |
| G42361 | 16:47:03.83 | −45:50:54.01 | 29.0 | 4.25 | 3.45 | B0-0.5 II-III | |
| G42671 | 16:47:09.22 | −45:50:18.13 | 29.2 | 4.30 | 3.85 | O9-9.5 V | ✓ |
| G45671 | 16:47:03.21 | −45:52:02.73 | 28.4 | 4.27 | 4.15 | B0-0.5 II-III | ✓ |
| G46571 | 16:47:04.12 | −45:51:43.38 | 30.0 | 4.24 | 4.15 | B0-0.5 V | ✓ |
| G46671 | 16:47:00.03 | −45:51:43.06 | 26.4 | 4.13 | 4.00 | B0-0.5 V | ✓ |
| G46751 | 16:47:00.94 | −45:51:41.33 | 24.0 | 3.86 | 3.75 | B1 V | ✓ |
| G46791 | 16:47:05.44 | −45:51:40.42 | 30.1 | 4.37 | 3.85 | O9-9.5 II-III | ✓ |
| G47381 | 16:47:03.57 | −45:51:31.72 | 28.8 | 4.39 | 4.00 | B0-0.5 V | ✓ |
| G47661 | 16:47:09.74 | −45:51:24.66 | 28.5 | 4.22 | 3.60 | B0-0.5 V | ✓ |
| G48621 | 16:47:04.70 | −45:51:09.37 | 30.2 | 4.47 | 3.75 | B0-0.5 II-III | ✓ |
| G48821 | 16:47:04.77 | −45:51:06.26 | 30.2 | 4.86 | 3.75 | O9-9.5 II-III | |
| G50491 | 16:47:08.95 | −45:50:29.57 | 29.0 | 4.37 | 3.75 | O9-9.5 V | |
| G50551 | 16:47:10.65 | −45:50:27.38 | 29.0 | 4.28 | 3.75 | B0-0.5 V | ✓ |
| G53311 | 16:47:09.08 | −45:49:06.16 | 29.5 | 4.33 | 3.75 | O9-9.5 V | ✓ |
| G54531 | 16:47:01.34 | −45:51:10.85 | 25.0 | 3.86 | 4.20 | B0-B0.5 V | ✓ |
| G54691 | 16:47:03.37 | −45:51:03.42 | 30.2 | 5.29 | 3.60 | B0 I-II | |
| G57481 | 16:47:04.51 | −45:50:55.36 | 28.5 | 4.25 | 3.75 | B0-0.5 V | ✓ |
| G57771 | 16:47:02.69 | −45:50:25.45 | 28.2 | 4.25 | 3.85 | B0-0.5 V | ✓ |
| G58341 | 16:47:03.01 | −45:50:51.15 | 30.3 | 5.07 | 3.42 | O9-9.5 II-III |
Notes. Teff is given in kK; luminosity as log L/L⊙ and surface gravity as log g (cgs). Star identification codes are from Clark et al. (2020) unless otherwise noted. Spectral types were derived in this work unless marked. Column ‘Binarity status’: (✓) = candidate identified in this work; (▲) = binary flagged in Ritchie et al. (2022); (∆) = candidate flagged in Ritchie et al. (2022). 1Identification code from Gennaro et al. (2011). 2Previous spectral type from Clark et al. (2020). 3OB star confirmed in this work; ID from Gaia Collaboration (2021).
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