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Table 7
Mean radial velocities and dispersions for the AAΩ sample for both nights (
and 
, respectively), excluding known and candidate binaries (see Sect. 4.1) and stars with outlying velocities (Table 8).
| Sample | ± s.d. [km s-1] |
n | ± s.d. [km s-1] |
n |
|
|
||||
| All | 274.1 ± 16.4 | 199 | 274.3 ± 16.5 | 194 |
| O-type | 275.1 ± 19.5 | 68 | 275.3 ± 18.6 | 61 |
| BA-type | 273.6 ± 14.6 | 131 | 273.8 ± 15.5 | 133 |
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