Open Access

Table 1.

Cluster members spectroscopically observed.

Star ϖ μα cos δ μδ GBP GBP − GRP AV Sp.type Remarks
(mas) (mas/yr) (mas/yr)
J110837.00−604244.5 0.0771(0.0131) −5.752(0.015) 2.219(0.014) 14.779 2.183 6.30 O8.5Ia
J110837.10−604247.6 0.1236(0.1041) −5.979(0.112) 2.545(0.107) 17.072 2.168 6.12 B1V
J110837.38−604233.7 0.1577(0.0474) −5.635(0.059) 2.203(0.052) 17.641 2.223 6.39 B0IIIe
J110839.46−604216.3 0.0660(0.0162) −5.712(0.018) 2.104(0.017) 15.297 1.986 5.82 O9II
J110840.59−604232.6 0.1137(0.0255) −5.691(0.028) 2.102(0.026) 16.607 2.337 6.67 O9.5:V:
J110840.90−604239.5 0.0859(0.0138) −5.705(0.016) 2.123(0.014) 15.145 2.564 7.10 B0.5III
J110840.93−604316.2 0.0836(0.0317) −5.652(0.036) 2.118(0.034) 17.170 2.548 7.16 B0V
J110841.69−604254.9 0.0675(0.0364) −5.744(0.039) 2.145(0.047) 16.805 2.323 6.62 B0V
J110842.13−604251.3 0.1032(0.0450) −5.712(0.049) 2.212(0.044) 17.662 2.288 6.30 B2V
J110842.38−604248.5 0.0319(0.1514) −6.033(0.169) 5.300(0.159) 16.294 2.313 6.59 B0IV RUWE = 7.7
J110843.78−604246.7 0.0281(0.0284) −5.689(0.032) 2.172(0.030) 16.891 2.447 6.90 O9.5IV
J110844.44−604250.5 −0.0010(0.0628) −6.077(0.071) 2.257(0.064) 17.586 2.338 6.52 B1V RUWE = 1.57
J110844.49−604254.7 0.1061(0.0320) −5.742(0.037) 2.193(0.033) 17.114 2.214 6.34 O9.7III
J110845.28−604205.5 0.0994(0.0423) −5.745(0.046) 2.112(0.042) 17.676 2.292 6.31 B2V
J110845.29−604258.3 0.1691(0.0453) −5.884(0.050) 2.071(0.046) 17.516 2.033 5.91 O-B
J110846.07−604214.4 0.0695(0.0235) −5.757(0.026) 2.146(0.025) 16.446 2.271 6.48 B0III
J110848.92−604422.5 0.1035(0.0177) −5.675(0.020) 1.135(0.018) 16.000 2.512 7.08 O8III-V
J110850.16−604244.6 0.0479(0.0634) −5.689(0.068) 2.134(0.061) 18.377 2.115 5.80 B2V
Wray 15−0751 0.0991(0.0188) −5.799(0.021) 2.212(0.020) 10.723 2.680 LBV

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