Table 3
Spectral type distribution of the spectroscopically confirmed hot luminous stars within the MEDUSA region (5 < rd < 150 pc).
| W-R and Of/WN stars | WR2-WR5 | WR6-WR9 | Total | ||||
|
|
|||||||
| WN or WN/C | 7 | 8 | 15 | ||||
| WC | 3 | 0 | 3 | ||||
| Of/WN | 0 | 1 | 1 | ||||
| Total | 10 | 9 | 19 | ||||
|
|
|||||||
| O-type stars | O2–3.5 | O4–6.5 | O7–9.7 | Total | |||
|
|
|||||||
| V | 15 | 60 | 143 | 218 | |||
| III | 5 | 11 | 66 | 82 | |||
| I | 2 | 3 | 20 | 25 | |||
| Total | 22 | 74 | 229 | 325 | |||
|
|
|||||||
| B-type stars | B0-0.7 | B1 and later | Total | ||||
|
|
|||||||
| V | 24 | – | 24 | ||||
| III | 15 | 7 | 22 | ||||
| I | 12 | 26 | 38 | ||||
| Total | 51 | 33 | 84 | ||||
|
|
|||||||
| GRAND TOTAL | 428 | ||||||
Notes. The numbers given for B-type stars are not complete for 30 Dor. The reader is reminded that late B-type stars were omitted from the census, both during the selection and once SpTs had been matched, due to their negligible contributions to the feedback. These included dwarfs later than B0.5 V and giants later than B1 III. All selected supergiants were included. The completeness of the W-R, Of/WN and O-type stars is discussed in Sect. 5.
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