Table 3: Final results for our sample of Galactic B-SGs: Stellar and wind parameters adopted ( $\rightarrow$ M_V ) and derived using FASTWIND. $T{_{\rm eff}}$ in kK, $R_\star$ in $R_\odot$ , $M_\star$ in $M_\odot$ , $v_\infty$ in km s $^{\rm -1}$ , $\dot M$ in 10^-6 $M_\odot$ /yr. $D_{\rm mom}$ (in cgs-units) denotes the modified wind-momentum rate. High precision $\beta$ -values are given bold-faced. For non-tabulated errors, see text.
Object Sp M_V $T{_{\rm eff}}$ $\log g$ $\log g_{\rm true}$ $R_\star$ $Y_{\rm He}$ $\log L/L_\odot$ $M_\star$ $v_\infty$ $\beta$ log $\dot M$ $\log D_{\rm mom}$

HD 185859 B0.5 Ia -7.00 26.3 2.95 2.96 35 $0.10\pm0.02$ 5.72 $41^{\rm +27}_{\rm -16}$ 1 830 ${\bf 1.1}\pm0.1^{a}$ $-5.82\pm0.13$ $29.01\pm0.20$

HD 190603 B1.5 Ia+ -8.21 19.5 2.35 2.36 80 $0.20\pm 0.02$ 5.92 $53^{\rm +41}_{\rm -23}$ 485 ${\bf 2.9}\pm0.2$ - $5.70\pm0.16$ $28.73\pm0.22$

-7.53 2.36 58 5.65 $28^{\rm +21}_{\rm -12}$ - $5.91\pm0.16$ $28.45\pm0.22$

HD 206165 B2 Ib -6.19 19.3 2.50 2.51 32 0.10-0.20 5.11 $12^{\rm +7}_{\rm -4}$ 640 ${\bf 1.5}^{\rm +0.2}_{\rm -0.1}$ ^a) - $6.57\pm0.13$ $27.79\pm0.17$

HD 198478 B2.5 Ia -6.93 17.5 2.10 2.12 49 0.10-0.20 5.31 $11^{\rm +5}_{\rm -3}$ 200...470 ${\bf 1.3}\pm0.1$ -6.93...-6.39 26.97...27.48

-6.37 2.12 38 5.08 $7^{\rm +3}_{\rm -2}$ -7.00...-6.46 26.84...27.36

HD 191243 B5 Ib -5.80 14.8 2.60 2.61 34 $0.09\pm0.02$ 4.70 $17^{\rm +9}_{\rm -6}$ 470 0.8...1.5 $-7.52^{\rm +0.26}_{\rm -0.20}$ $26.71^{\rm +0.27}_{\rm -0.23}$

-6.41 2.60 46 4.96 $31^{\rm +17}_{\rm -11}$ $-7.30^{\rm +0.25}_{\rm -0.17}$ $27.00^{\rm +0.25}_{\rm -0.21}$

HD 199478 B8 Iae -7.00 13.0 1.70 1.73 68 $0.10\pm0.02$ 5.08 $9^{\rm +5}_{\rm -3}$ 230 0.8...1.5 -6.73...-6.18 27.33...27.88

HD 212593 B9 Iab -6.50 11.8 2.18 2.19 59 0.06-0.10 4.79 $19^{\rm +13}_{\rm -8}$ 350 0.8...1.5 $-7.04^{\rm +0.25}_{\rm -0.19}$ $27.18^{\rm +0.28}_{\rm -0.24}$

HD 202850 B9 Iab -6.18 11.0 1.85 1.87 54 $0.09\pm0.02$ 4.59 $8^{\rm +4}_{\rm -3}$ 240 0.8...1.8 $-7.22^{\rm +0.25}_{\rm -0.17}$ $26.82^{\rm +0.25}_{\rm -0.20}$

**Table 3:** Final results for our sample of Galactic B-SGs: Stellar and wind parameters adopted ( $\rightarrow$ M_V ) and derived using FASTWIND. $T{_{\rm eff}}$ in kK, $R_\star$ in $R_\odot$ , $M_\star$ in $M_\odot$ , $v_\infty$ in km s $^{\rm -1}$ , $\dot M$ in 10^-6 $M_\odot$ /yr. $D_{\rm mom}$ (in cgs-units) denotes the modified wind-momentum rate. High precision $\beta$ -values are given bold-faced. For non-tabulated errors, see text.
Object	Sp	M_V	$T{_{\rm eff}}$	$\log g$	$\log g_{\rm true}$	$R_\star$	$Y_{\rm He}$	$\log L/L_\odot$	$M_\star$	$v_\infty$	$\beta$	log $\dot M$	$\log D_{\rm mom}$
HD 185859	B0.5 Ia	-7.00	26.3	2.95	2.96	35	$0.10\pm0.02$	5.72	$41^{\rm +27}_{\rm -16}$	1 830	${\bf 1.1}\pm0.1^{a}$	$-5.82\pm0.13$	$29.01\pm0.20$
HD 190603	B1.5 Ia+	-8.21	19.5	2.35	2.36	80	$0.20\pm 0.02$	5.92	$53^{\rm +41}_{\rm -23}$	485	${\bf 2.9}\pm0.2$	- $5.70\pm0.16$	$28.73\pm0.22$
		-7.53			2.36	58		5.65	$28^{\rm +21}_{\rm -12}$			- $5.91\pm0.16$	$28.45\pm0.22$
HD 206165	B2 Ib	-6.19	19.3	2.50	2.51	32	0.10-0.20	5.11	$12^{\rm +7}_{\rm -4}$	640	${\bf 1.5}^{\rm +0.2}_{\rm -0.1}$ ^a)	- $6.57\pm0.13$	$27.79\pm0.17$
HD 198478	B2.5 Ia	-6.93	17.5	2.10	2.12	49	0.10-0.20	5.31	$11^{\rm +5}_{\rm -3}$	200...470	${\bf 1.3}\pm0.1$	-6.93...-6.39	26.97...27.48
		-6.37			2.12	38		5.08	$7^{\rm +3}_{\rm -2}$			-7.00...-6.46	26.84...27.36
HD 191243	B5 Ib	-5.80	14.8	2.60	2.61	34	$0.09\pm0.02$	4.70	$17^{\rm +9}_{\rm -6}$	470	0.8...1.5	$-7.52^{\rm +0.26}_{\rm -0.20}$	$26.71^{\rm +0.27}_{\rm -0.23}$
		-6.41			2.60	46		4.96	$31^{\rm +17}_{\rm -11}$			$-7.30^{\rm +0.25}_{\rm -0.17}$	$27.00^{\rm +0.25}_{\rm -0.21}$
HD 199478	B8 Iae	-7.00	13.0	1.70	1.73	68	$0.10\pm0.02$	5.08	$9^{\rm +5}_{\rm -3}$	230	0.8...1.5	-6.73...-6.18	27.33...27.88
HD 212593	B9 Iab	-6.50	11.8	2.18	2.19	59	0.06-0.10	4.79	$19^{\rm +13}_{\rm -8}$	350	0.8...1.5	$-7.04^{\rm +0.25}_{\rm -0.19}$	$27.18^{\rm +0.28}_{\rm -0.24}$
HD 202850	B9 Iab	-6.18	11.0	1.85	1.87	54	$0.09\pm0.02$	4.59	$8^{\rm +4}_{\rm -3}$	240	0.8...1.8	$-7.22^{\rm +0.25}_{\rm -0.17}$	$26.82^{\rm +0.25}_{\rm -0.20}$

^a H $_\alpha$ (though in absorption) indicates $\beta > 1$ .

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