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Table A.1

Sample stars and journal of the observations.

Identifier Sp. Type MJD vrad d3
B921 CEN(OI)2 2 450 000 (km s-1) (pc)

B111 2 (337) O4.5V 6490.116 3.4 ± 0.8 0.695
B163 ... kA5 5455.982 ... 0.154
B164 25 O6V 6490.123 −1.8 ± 2.3 0.372
B215 ... B0-B1V 6115.249 12.3 ± 1.0 0.856
B243 51 B8V 6114.188 19.5 ± 1.8 0.607
... ... ... 6490.140 20.2 ± 1.5 ...
B253 26 B3-B5III 6490.197 9.5 ± 0.8 0.573
B268 49 B9-A0 6114.236 1.4 ± 1.0 0.686
... ... ... 6114.259 17.1 ± 1.1 ...
... ... ... 6490.169 4.3 ± 1.3 ...
B275 24 B7III 5054.125 −11.2 ± 1.4 0.698
B289 31 O9.7V 5456.024 −2.0 ± 2.5 1.390
... ... ... 6114.290 −2.3 ± 2.0 ...
B311 16 (258) O8.5Vz 6490.097 4.2 ± 0.4 1.601
B331 92 late-B 6115.276 13.9 ± 1.5 1.194
B337 93 late-B 6489.185 7.5 ± 0.6 1.171

σ 1D ... ... ... 5.6 ± 0.2 ...

Notes. Sources classified as PMS in Paper I appear in bold. Sp.Types are from Paper I.

(2)

Alternative IDs: CEN (Chini et al. 1980) and OI (Ogura & Ishida 1976).

(3)

Projected distance of the stars to the center of the cluster (α = 275.124574°, δ = −16.179031°).

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