Table 8: Stellar wind parameters ($\dot{M}$, $\beta $, $v_{\rm\infty }$, $v_{\rm turb}$) derived for a sample of 20 Galactic B supergiants. The errors given on $\dot{M}$ reflect the errors in fitting each individual H$\alpha $ profile.
HD No. Sp type $\dot{M}$(10-6  $M_{\odot}~\rm {yr}^{-1}$) $\beta $ $v_{\rm\infty }$(km s-1) $v_{\rm turb}$(km s-1)
37128 B0 Ia $\rm 1.90^{+0.9}_{-0.0}$ 1.1 1600 15
192660 B0 Ib $\rm 5.00^{+0.0}_{-3.0}$ 1.3 1850 20
204172 B0.2 Ia $\rm0.57^{+0.7}_{-0.34}$ 1.0 1685 15
38771 B0.5 Ia $\rm 1.20^{+0.3}_{-0.2}$ 1.1 1390 15
185859 B0.5 Ia $\rm0.50^{+0.1}_{-0.1}$ 1.5 1830 20
213087 B0.5 Ib $\rm0.70^{+0.4}_{-0.0}$ 1.5 1520 20
64760 B0.5 Ib $\rm 1.10^{+1.0}_{-1.0}$ 1.0 1600 15
2905 BC0.7 Ia $\rm 2.50^{+0.0}_{-0.5}$ 1.5 850 20
13854 B1 Iab $\rm 1.50^{+0.5}_{-0.5}$ 1.2 955 10
190066 B1 Iab $\rm0.70^{+0.1}_{-0.1}$ 1.5 1275 15
190603 B1.5 Ia+ $\rm 2.40^{+0.0}_{-0.2}$ 1.2 390 15
193183 B1.5 Ib $\rm0.23^{+0.27}_{-0.00}$ 1.5 565 20
14818 B2 Ia $\rm 1.00^{+0.5}_{-0.5}$ 1.5 625 15
206165 B2 Ib $\rm0.50^{+0.0}_{-0.2}$ 1.5 640 15
198478 B2.5 Ia $\rm0.50^{+0.0}_{-0.3}$ 1.2 550 20
42087 B2.5 Ib $\rm0.50^{+0.0}_{-0.3}$ 1.2 650 15
53138 B3 Ia $\rm0.45^{+0.0}_{-0.3}$ 1.2 500 20
58350 B5 Ia $\rm0.70^{+0.3}_{-0.0}$ 1.0 320 20
164353 B5 Ib/II $\rm0.06^{+0.0}_{-0.03}$ 1.5 450 25
191243 B5 Ib/II $\rm0.83^{+0.0}_{-0.6}$ 1.0 550 20


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