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Table 1.
Systemic velocities and 1σ radial-velocity dispersions from the two analysis methods (see text) and runaway (RW) fractions of the single O-star populations in 30 Dor.
| Population | Sample | Sample stat. | Gaussian fit | RW fraction |
|---|---|---|---|---|
| size | (km s−1) | (km s−1) | (%) | |
| Overall | 185 | 271.7 ± 12.6 | 270.7 ± 10.6 | 7 ± 1 |
| NGC 2070 | 90 | 267.0 ± 9.6 | 268.2 ± 8.6 | 6 ± 2 |
| NGC 2060 | 33 | 277.5 ± 6.3 | 277.3 ± 8.0 | 4 ± 2 |
| Remaining | 62 | 273.2 ± 19.0 | 272.5 ± 14.8 | 23 ± 5 |
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