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Table B.1

Gaia EDR3 parallaxes and photometric and astrometric measurements for stars in NGC 3603.

Name Sp. Type(a) ϖ (mas) μα (mas yr−1) μδ (mas yr−1) G (mag) RUWE d (pc)(b)
NGC 3603 18 O3.5 If 0.1428 ± 0.0111 −5.968 ± 0.012 2.161 ± 0.011 11.9722 0.99
NGC 3603 19 O3 V((f)) 0.0897 ± 0.0114 −5.370 ± 0.012 2.179 ± 0.012 13.1764 1.02
NGC 3603 21 O6 V((f)) 0.1147 ± 0.0160 −5.593 ± 0.019 1.925 ± 0.017 14.2138 1.00
NGC 3603 22 O3 III(f) 0.1430 ± 0.0170 −5.808 ± 0.018 2.042 ± 0.018 12.7677 1.07
NGC 3603 23 OC9.7 Ia 0.1344 ± 0.0112 −5.351 ± 0.012 2.008 ± 0.011 12.1323 0.98
NGC 3603 24 O6 V 0.1161 ± 0.0152 −5.592 ± 0.016 1.967 ± 0.015 13.7393 1.13
NGC 3603 25 B1 Iab 0.1560 ± 0.0166 −5.387 ± 0.020 2.116 ± 0.015 11.4261 0.94
NGC 3603 27 O7.5V 0.1321 ± 0.0182 −5.599 ± 0.022 1.960 ± 0.022 14.5238 1.03
NGC 3603 47 O4V 0.1248 ± 0.0103 −5.797 ± 0.011 2.243 ± 0.010 12.1486 0.94
NGC 3603 49 O7.5V 0.1845 ± 0.0588 −5.129 ± 0.065 1.538 ± 0.060 14.1456 4.01
NGC 3603 53 O8.5V 0.2227 ± 0.0466 −5.619 ± 0.053 2.111 ± 0.040 13.9243 3.25
NGC 3603 54 O6 V 0.1139 ± 0.0147 −5.655 ± 0.016 1.950 ± 0.015 14.0344 0.97
NGC 3603 56 O3 III(f) 0.1254 ± 0.0216 −5.620 ± 0.022 2.028 ± 0.022 12.9838 1.04
NGC 3603 57 O3 III(f) 0.1521 ± 0.0119 −5.649 ± 0.013 2.002 ± 0.013 12.7444 1.01
NGC 3603 63 O3.5 III(f) 0.0053 ± 0.0407 −5.533 ± 0.055 1.575 ± 0.037 12.9097 1.91
NGC 360364 O3 V((f)) 0.1097 ± 0.0127 −5.521 ± 0.014 2.000 ± 0.012 13.0839 1.15
Cl* NGC 3603 MMM 102 O8.5V 0.1178 ± 0.0602 −5.379 ± 0.066 0.712 ± 0.062 14.8683 2.57
Cl* NGC 3603 MMM 103 O3 V((f)) 0.1583 ± 0.0159 −5.624 ± 0.016 2.057 ± 0.027 12.6349 0.97
Cl* NGC 3603 MMM104 O3 III(f) 0.0617 ± 0.0442 −5.548 ± 0.065 1.821 ± 0.037 12.5400 2.42
Cl* NGC 3603 MMM108 O5.5V −0.1445 ± 0.1030 −5.797 ± 0.111 1.624 ± 0.113 13.2060 5.83
Cl* NGC 3603 MMM 117 O6 V 0.1043 ± 0.0275 −5.726 ± 0.042 2.012 ± 0.025 13.6948 1.28
Cl* NGC 3603 BLW A2 O3 V 1.1375 ± 0.4312 −8.387 ± 0.420 1.162 ± 0.419 10.5626 13.59
Cl* NGC 3603 BLW A3 O3 III(f*) 0.5897 ± 0.1579 −6.399 ± 0.174 2.923 ± 0.438 10.7691 4.22

Notes. The objects used for the distance estimate of NGC 3603 are set in boldface style. We rejected the other objects based on their RUWE factor or discrepant proper motions. The supergiants NGC 3603 23 and NGC 3603 25 (i. e. Sher 25) were rejected because their ages are incompatible with the cluster isochrone of 1 to 2 Myr (Melena et al. 2008). Star identifications for the first 16 objects are from Sher (1965), for the following five objects from Melena et al. (2008) and for the final two objects from Baier et al. (1985). (a)From Table 3 of Melena et al. (2008) except for NGC 3603 56, for which the spectral type of the primary component from their Table 1 is given. (b)Photogeometric distances (Bailer-Jones et al. 2021).

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