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Table 1
New spectral types and radial velocity measurements of Cen OB1 members (according to Humphreys 1978).
| ID | l | b | SpT | V | V LSR | d | Commentaries |
| (°) | (°) | (mag.) | (km s-1) | (kpc) | |||
|
|
|||||||
| HD 110639 | 302.1 | +1.5 | B1 II-III | 8.5 | −52 ± 03 | 1.8 ± 0.5 | |
| HD 111613 | 303.0 | +2.5 | B9-A0 Iab | 5.7 | −27 ± 03 | 1.5 ± 0.4 | |
| HD 111904 | 303.2 | +2.5 | B9 Ia | 5.7 | −25 ± 03 | 2.6 ± 0.6 | NGC 4755 |
| HD 111934 | 303.2 | +2.5 | B2 Ib | 7.0 | −31 ± 02 | 2.0 ± 0.5 | NGC 4755 |
| HD 111973 | 303.2 | +2.5 | B5 Ia | 5.9 | −18 ± 04 | 2.7 ± 0.6 | NGC 4755 |
| HD 111990 | 303.2 | +2.5 | B3 Ib | 6.8 | −7 ± 03 | 1.8 ± 0.5 | NGC 4755 |
| HD 112364 | 303.6 | +3.1 | B0.5 Ib-a | 7.4 | −68 ± 12 | 2.8 ± 0.6 | SB2 |
| HD 112842 | 304.1 | +2.5 | B3 Ib | 7.0 | −33 ± 03 | 2.1 ± 0.5 | |
| HD 113012 | 304.3 | +2.7 | B0 Ia | 8.1 | −22 ± 05 | 6.9 ± 1.6 | |
| HD 113422 | 304.5 | +1.1 | B1 Ia | 8.2 | −57 ± 04 | 3.2 ± 0.7 | |
| HD 113432 | 304.4 | −0.7 | B1 Ib | 8.9 | −21 ± 11 | 2.7 ± 0.6 | |
| HD 113708 | 304.6 | −2.4 | B0.2 III | 8.1 | −16 ± 07 | 3.1 ± 0.8 | |
| HD 114213 | 305.2 | +1.3 | B1 Ia-b | 8.9 | −2 ± 06 | 2.2 ± 0.5 | |
| HD 114886 | 305.6 | −0.9 | O9 II-III | 6.9 | −25 ± 08 | 2.6 ± 0.6 | SB2 |
| HD 115363 | 305.9 | −1.0 | B1 Ia | 7.8 | −66 ± 08 | 3.3 ± 0.9 | |
| HD 116119 | 306.7 | +0.6 | B8 Ia | 7.9 | −34 ± 03 | 4.3 ± 1.1 | |
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