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| Spec. | No. radio | Source | Cluster |
| Type | emitters | ID | total |
| OB SGs | 3(4?)a | 15, 17, D09-R1, (D09-R2?) |  150
|
| sgB[e] | 1 | 9 | 1 |
| BHGs | 1 | 243 | 4 |
| YHGs | 4(5?)a | 4, 12a, 32, 265 (16a?) | 6 |
| RSGs | 4 | 20, 26, 75, 237 | 4 |
| WN9-10 | 1 (2?)a | 44, (5) | 2 |
| WN5-8 | 3 | WR B, 31b, 72 | 14 |
| WC | 1 | 239 | 8 |
Notes. (a) These sources are included in parentheses due to the uncertain association of radio emission with W16a, D09-R2 and W5. (b) WRs N (WC8), O and Q (both WNL) are not in the field-of-view of the radio observations described here.
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