Table A.1
Average absolute magnitudes of OB stars in the census.
| SpT | Luminosity class | ||||||||
| V | III | I | |||||||
| M V | N | σ | M V | N | σ | M V | N | σ | |
|
|
|||||||||
| O2 | −5.6 | 5 | 0.5 | {−5.9 | 14 | 0.3 | {−6.3 | 6 | 0.6 |
| O3 | −5.5 | 22 | 0.4 | ||||||
| O3.5 | −5.0 | 8 | 0.5 | ||||||
| O4 | −4.8 | 13 | 0.5 | −5.7 | 5 | 0.5 | {−6.2 | 5 | 0.6 |
| O5 | {−4.7 | 14 | 0.4 | {−5.6 | 4 | 0.4 | |||
| O5.5 | |||||||||
| O6 | −4.7 | 17 | 0.5 | ||||||
| O6.5 | −4.4 | 18 | 0.6 | {−5.5 | 7 | 0.2 | |||
| O7 | −4.7 | 18 | 0.5 | ||||||
| O7.5 | −4.7 | 13 | 0.5 | ||||||
| O8 | −4.4 | 20 | 0.4 | {−4.9 | 11 | 0.4 | {−5.7 | 12 | 0.4 |
| O8.5 | −4.4 | 18 | 0.5 | ||||||
| O9 | −4.3 | 25 | 0.5 | −4.9 | 8 | 0.5 | |||
| O9.5 | −4.0 | 43 | 0.4 | −4.6 | 14 | 0.5 | |||
| O9.7 | −3.9 | 12 | 0.3 | −4.0 | 22 | 0.4 | |||
| B0 | −3.8 | 11 | 0.3 | – | – | ||||
Notes. The number of stars (N) the average MV is based on, and their spread (σ), are both given. Note the number of stars used to determine these magnitudes varies from those in Table 2 as some stars were omitted due to spurious values.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.