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Table 6.
HII regions associated with massive stars.
| ID | HII region | Radio ID | Star | Radio (a) | IR |
|---|---|---|---|---|---|
| Sptype | Sptype | ||||
| II | G49.5–0.4 | e20/e21 (b) | #3 | – | O3–O8V |
| c1 | #6 | O6V | O9–B2V | ||
| e7 | #7 | B0V | B1–B3 | ||
| b | 57 | O4V | O5 | ||
| d | W51d | O5V | O3–O4 | ||
| III | G49.2–0.3 | – | #2 | O4V | O3–O5V |
| IV | G48.9–0.3 | – | #1 | O3–O5V |
References. (a)Mehringer (1994), (b)Ginsburg et al. (2016).
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