Table A.1.
Summary of spectrally classified cluster members associated with X-ray emission (adapted from Clark et al. 2008).
| Opt. ID | Spectral type | X-ray identifier | Counts | Hardness | Flux | Notes |
|---|---|---|---|---|---|---|
| ratio | (10−7 ph cm−2 s−1) | |||||
| W1 | O9.5 Iab | 164659.3-455046 |
 |
 |
4.9 | |
| W6a | B0.5 Iab +? | 164703.0-455023 |
 |
 |
4.7 | P(2.20d) |
| W9 | sgB[e] | 164704.1-455031 |
 |
 |
241.2 | Interacting binary |
| W10 | B0.5Ia+OB | 164703.3-455034 |
 |
 |
4.2 | SB2, RV variable |
| W13 | B0.5 Ia+/WN10h + OB Ia | 164706.4-455026 |
 |
 |
13.1 | SB2, E(9.27d) |
| W15 | O9.5 Ib | 164706.6-455029 |
 |
 |
4.5 | Not RV variable |
| W17 | O9 Iab | 164706.2-455048 |
 |
−1.00+0.63 | 2.4 | Non-thermal radio, not RV variable |
| W24 | O9 Iab+O? | 164702.1-455112 |
 |
 |
11.9 | SB2? RV variable |
| W25 | O9 Iab | 164705.7-455033 |
 |
−1.00+0.36 | 4.9 | |
| W27 | O7-8 Ia+ | 164705.1-455041 |
 |
 |
13.4 | Not RV variable, Overluminous |
| merger product? | ||||||
| W30a | O4-5 Ia+ | 164704.1-455039 |
 |
 |
253.4 | RV variable, Overluminous binary |
| interaction product? | ||||||
| W36 | OB Ia + OB Ia | 164705.0-455055 |
 |
 |
19.0 | SB2, E(3.18d) |
| W38 | O9 Iab | 164702.8-455046 |
 |
 |
3.3 | Not RV variable |
| W41 | O9 Iab | 164702.7-455057 |
 |
 |
6.1 | |
| W47 | O9.5 Iab | 164702.5-455117 |
 |
 |
10.1 | |
| W53a | OB Ia + OB Ia | 164700.3-455131 |
 |
 |
24.0 | SB2, P(1.30d) |
| W56b | O9.5 Ib | 164658.8-455145 |
 |
 |
6.8 | Not RV variable |
| W61b | O9.5Iab | 164702.5-455142 |
 |
−1.00+0.8 | 1.5 | |
| W62a | B0.5 Ib | 164702.5-455137 |
 |
 |
6.5 | |
| W65 | O9 Ib | 164703.8-455146 |
 |
 |
6.8 | Low level RV variable |
| W74 | O9.5 Iab | 164707.0-455012 |
 |
 |
4.0 | Not RV variable |
| W84 | O9.5 Ib | 164659.0-455028 |
 |
−1.00+0.30 | 3.9 | Not RV variable |
| W232 | O9.5-B0 Iab | 164701.4-455235 |
 |
 |
5.4 | RV variable, C07-X6 |
| W1005 | B0 Iab | 164654.2-455154 |
 |
 |
6.4 | Not RV variable, C07-X7 |
| W1018 | O9.5 Iab | 164658.2-455056 |
 |
 |
6.5 | |
| W1027 | O9.5 Iab | 164701.0-455006 |
 |
 |
6.2 | |
| W1033 | O9-9.5 I-III | 164702.3-455233 |
 |
 |
4.9 | Not RV variable, C07-X5 |
| W1036 | O9.5 Ib | 164702.7-455212 |
 |
 |
5.6 | Not RV variable, C07-X4 |
| W1040 | O9.5 Iab/b | 164704.5-455008 |
 |
 |
6.3 | RV variable, C07-X3 |
| W1041 | O9.5 Iab +? | 164704.4-455109 |
 |
 |
6.6 | Broad Paschen lines, SB2? |
| W1051 | O9 III | 164706.9-454940 |
 |
 |
5.4 | Not RV variable |
| W1055 | B0 Ib | 164707.8-455147 |
 |
 |
7.2 | Not RV variable |
| W1064 | O9.5 Iab | 164711.5-455000 |
 |
1.00−0.49 | 2.3 | |
| WR A | WN7b | 164708.3-455045 |
 |
 |
380.7 | P(7.63d) |
| WR B | WN7o | 164705.3-455104 |
 |
 |
133.2 | E(3.51d) |
| WR D | WN7o | 164706.2-455126 |
 |
1.00−0.19 | 16.6 | |
| WR E | WC9 | 164705.9-455208 |
 |
 |
3.7 | RV binary? |
| WR F | WC9d | 164705.2-455224 |
 |
 |
65.7 | RV(5.05d), possible trinary? |
| WR G | WN7o | 164704.0-455124 |
 |
 |
17.5 | |
| WR L | WN9h: | 164704.1-455107 |
 |
 |
48.8 | RV(∼54d) |
| WR N | WC9d | 164659.8-455525 |
 |
 |
19.7 | Dust producing CWB? |
| WR O | WN6o | 164707.6-455235 |
 |
 |
27.0 | |
| WR R | WN5o | 164706.0-455022 |
 |
 |
20.5 | |
| WR U | WN6o | 164706.5-455039 |
 |
 |
81.4 | |
| WR W | WN6h | 164707.6-454922 |
 |
 |
15.9 |
Notes. Columns 1 and 2 present optical IDs and spectral classifications derived from Clark et al. (2005; 2013b; 2019, and in prep.), Crowther et al. (2006), Negueruela et al. (2010) and Ritchie et al. (2009a, 2010b). X-ray designations are given in Col. 3 and corresponding physical data from Clark et al. (2008) in Cols. 4–6. Additional information is presented in Col. 7, including Eclipsing or Periodic photometric modulation (Bonanos 2007), the presence or absence of periodicity in the Radial Velocity data derived from the 2008–9 observing seasons (Ritchie et al. 2009a, 2010a, Clark et al., in prep.), apparent SB2 binaries (Clark et al., in prep.) and non-thermal radio emission (Dougherty et al. 2010). W1041 has been observed as part of our RV variability survey but the breadth of the Paschen series lines prevents analysis of RV variability (Fig. 1; Clark et al., in prep.).
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