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Table 2.

Mean parameter values for the photometric OB stars sample.

All NGC 6357 NGC 6334
Sample N 157 80 55
π (mas) 0.554 ± 0.070 0.561 ± 0.084 0.552 ± 0.054
dbay (kpc) 1.75 ± 0.24 1.74 ± 0.28 1.75 ± 0.17
μα (mas yr−1) −0.429 ± 0.675 −0.874 ± 0.398 0.092 ± 0.468
μδ (mas yr−1) −2.055 ± 0.621 −2.332 ± 0.522 −1.746 ± 0.532
μl (mas yr−1) −1.950 ± 0.752 −2.460 ± 0.495 −1.412 ± 0.438
μb (mas yr−1) −0.808 ± 0.558 −0.569 ± 0.487 −1.054 ± 0.479
μl cor (mas yr−1) −0.719 ± 0.851 −1.293 ± 0.564 −0.145 ± 0.518
μb cor (mas yr−1) 0.211 ± 0.568 0.440 ± 0.505 −0.022 ± 0.467
Vlon (km s−1) −6.362 ± 7.790 −11.071 ± 7.165 −1.657 ± 4.214
Vlat (km s−1) 1.575 ± 4.740 3.406 ± 4.260 0.065 ± 4.384
PA (°) 235 ± 92 281 ± 51 179 ± 106

Notes. Except for PA and dbay, these are 3 σ clipping mean values values. All the uncertainties are computed as the standard deviation.

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