Table 1
FWHM −νesini calibration based on the VFTS single O-type star sample.
| Diagnostic line | No. of stars | a | b | rms |
|
|
||||
| (kms-1/Å) | (kms-1) | |||
|
|
||||
| He iλ4387 | 102 | 28.99 ± 1.55 | 1.30 ± 0.03 | 25 |
| He iλ4713 | 60 | 35.51 ± 1.81 | 1.20 ± 0.04 | 15 |
| He iλ4922 | 69 | 26.00 ± 2.01 | 1.26 ± 0.04 | 25 |
| He iiλ4541 | 92 | 10.17 ± 1.27 | 1.69 ± 0.07 | 35 |
Notes. The columns list the diagnostic line (Col. 1), the number of stars for which the line fulfills the selection criteria (Col. 2), the coefficients of fit function Eq. (1) (Cols. 3 and 4) and the root mean square (rms) deviation between fit and data in kms-1 (Col. 5).
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.