The wind properties of O-type stars at sub-SMC metallicity

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Volume 698 (June 2025)

A&A, 698 (2025) A9

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Table 9

Parameters of the stars in the sample that have been derived from those in Table 8 and the corresponding 1σ uncertainties.

Star	log L	R	M_spec	Γ_Edd	v_esc	v_∞/v_esc	D_mom	log Q₀	log Q₁
	(L_⊙)	(R_⊙)	(M_⊙)		(km s⁻¹)		(g cm s⁻²)	(s⁻¹)	(s⁻¹)
64066	${5.51}_{- 0.07}^{+ 0.11}$ $5.51_{-0.07}^{+0.11}$	${13.2}_{- 0.9}^{+ 0.6}$ $13.2_{-0.9}^{+0.6}$	${13.3}_{- 2.0}^{+ 8.2}$ $13.3_{-2.0}^{+8.2}$	${0.65}_{- 0.23}^{+ 0.11}$ $0.65_{-0.23}^{+0.11}$	$367_{- 75}^{+ 240}$ $367_{-75}^{+240}$	${5.4}_{- 1.2}^{+ 3.5}$ $5.4_{-1.2}^{+3.5}$	${26.8}_{↓}^{+ 1.5}$ $26.8_{\downarrow}^{+1.5}$	49.3	48.4
A13	${5.65}_{- 0.01}^{+ 0.02}$ $5.65_{-0.01}^{+0.02}$	${11.2}_{- 0.2}^{+ 0.2}$ $11.2_{-0.2}^{+0.2}$	${25.6}_{- 1.7}^{+ 10.0}$ $25.6_{-1.7}^{+10.0}$	${0.46}_{- 0.12}^{+ 0.04}$ $0.46_{-0.12}^{+0.04}$	$685_{- 45}^{+ 210}$ $685_{-45}^{+210}$	${3.1}_{- 0.7}^{+ 0.2}$ $3.1_{-0.7}^{+0.2}$	${27.8}_{- 0.2}^{+ 0.1}$ $27.8_{-0.2}^{+0.1}$	49.4	48.8
62024	${5.39}_{- 0.07}^{+ 0.04}$ $5.39_{-0.07}^{+0.04}$	${11.1}_{- 0.3}^{+ 0.5}$ $11.1_{-0.3}^{+0.5}$	${30.9}_{- 17.0}^{+ 11.0}$ $30.9_{-17.0}^{+11.0}$	${0.21}_{- 0.05}^{+ 0.22}$ $0.21_{-0.05}^{+0.22}$	$917_{- 410}^{+ 190}$ $917_{-410}^{+190}$	${1.15}_{- 0.2}^{+ 0.9}$ $1.15_{-0.2}^{+0.9}$	${27.5}_{- 0.3}^{+ 0.2}$ $27.5_{-0.3}^{+0.2}$	49.0	48.2
B2	${5.29}_{- 0.04}^{+ 0.06}$ $5.29_{-0.04}^{+0.06}$	${10.6}_{- 0.4}^{+ 0.3}$ $10.6_{-0.4}^{+0.3}$	${21.5}_{- 5.9}^{+ 8.4}$ $21.5_{-5.9}^{+8.4}$	${0.25}_{- 0.06}^{+ 0.09}$ $0.25_{-0.06}^{+0.09}$	$764_{- 160}^{+ 180}$ $764_{-160}^{+180}$	${1.3}_{- 0.4}^{+ 0.8}$ $1.3_{-0.4}^{+0.8}$	${25.7}_{- 0.5}^{+ 0.7}$ $25.7_{-0.5}^{+0.7}$	48.9	48.1
B11	${5.50}_{- 0.02}^{+ 0.01}$ $5.50_{-0.02}^{+0.01}$	${17.1}_{- 0.2}^{+ 0.3}$ $17.1_{-0.2}^{+0.3}$	${37.1}_{- 4.9}^{+ 3.7}$ $37.1_{-4.9}^{+3.7}$	${0.23}_{- 0.02}^{+ 0.03}$ $0.23_{-0.02}^{+0.03}$	$798_{- 70}^{+ 49}$ $798_{-70}^{+49}$	${1.69}_{- 0.19}^{+ 0.06}$ $1.69_{-0.19}^{+0.06}$	${26.0}_{- 0.2}^{+ 1.1}$ $26.0_{-0.2}^{+1.1}$	48.9	47.2
A15	${5.17}_{- 0.04}^{+ 0.03}$ $5.17_{-0.04}^{+0.03}$	${9.2}_{- 0.4}^{+ 0.4}$ $9.2_{-0.4}^{+0.4}$	${20.2}_{- 4.9}^{+ 1.6}$ $20.2_{-4.9}^{+1.6}$	${0.19}_{- 0.00}^{+ 0.05}$ $0.19_{-0.00}^{+0.05}$	$823_{- 130}^{+ 17}$ $823_{-130}^{+17}$	${1.46}_{- 0.04}^{+ 0.27}$ $1.46_{-0.04}^{+0.27}$	${25.5}_{- 0.2}^{+ 0.2}$ $25.5_{-0.2}^{+0.2}$	48.7	47.8
A11	${5.82}_{- 0.05}^{+ 0.05}$ $5.82_{-0.05}^{+0.05}$	${24.7}_{- 1.2}^{+ 1.1}$ $24.7_{-1.2}^{+1.1}$	${64.2}_{- 16.0}^{+ 100.0}$ $64.2_{-16.0}^{+100.0}$	${0.28}_{- 0.16}^{+ 0.09}$ $0.28_{-0.16}^{+0.09}$	$848_{- 160}^{+ 690}$ $848_{-160}^{+690}$	${1.6}_{- 0.8}^{+ 0.6}$ $1.6_{-0.8}^{+0.6}$	${25.2}_{- 0.2}^{+ 0.6}$ $25.2_{-0.2}^{+0.6}$	49.2	47.6
N20	${5.63}_{- 0.01}^{+ 0.05}$ $5.63_{-0.01}^{+0.05}$	${23.3}_{- 0.7}^{+ 0.4}$ $23.3_{-0.7}^{+0.4}$	${62.8}_{- 2.8}^{+ 49.0}$ $62.8_{-2.8}^{+49.0}$	${0.18}_{- 0.08}^{+ 0.02}$ $0.18_{-0.08}^{+0.02}$	$915_{- 19}^{+ 370}$ $915_{-19}^{+370}$	${1.75}_{- 0.44}^{+ 0.08}$ $1.75_{-0.44}^{+0.08}$	${27.21}_{- 0.07}^{+ 0.58}$ $27.21_{-0.07}^{+0.58}$	48.7	46.5
N34	${5.64}_{- 0.09}^{+ 0.07}$ $5.64_{-0.09}^{+0.07}$	${19.5}_{- 0.8}^{+ 1.1}$ $19.5_{-0.8}^{+1.1}$	${31.7}_{- 14.0}^{+ 30.0}$ $31.7_{-14.0}^{+30.0}$	${0.37}_{- 0.17}^{+ 0.17}$ $0.37_{-0.17}^{+0.17}$	$626_{- 240}^{+ 360}$ $626_{-240}^{+360}$	${2.8}_{- 1.2}^{+ 1.2}$ $2.8_{-1.2}^{+1.2}$	${27.4}_{- 0.2}^{+ 6.5}$ $27.4_{-0.2}^{+6.5}$	49.2	48.0
S3	${5.18}_{- 0.04}^{+ 0.05}$ $5.18_{-0.04}^{+0.05}$	${11.9}_{- 0.5}^{+ 0.4}$ $11.9_{-0.5}^{+0.4}$	${77.8}_{- 12.0}^{+ 25.0}$ $77.8_{-12.0}^{+25.0}$	${0.05}_{- 0.01}^{+ 0.01}$ $0.05_{-0.01}^{+0.01}$	$1539_{- 110}^{+ 240}$ $1539_{-110}^{+240}$	${0.16}_{- 0.05}^{+ 0.09}$ $0.16_{-0.05}^{+0.09}$	${24.5}_{↓}^{+ 0.5}$ $24.5_{\downarrow}^{+0.5}$	48.3	46.6
LP26	${4.94}_{- 0.11}^{+ 0.09}$ $4.94_{-0.11}^{+0.09}$	${9.1}_{- 0.9}^{+ 0.9}$ $9.1_{-0.9}^{+0.9}$	${49.8}_{- 17.0}^{+ 23.0}$ $49.8_{-17.0}^{+23.0}$	${0.05}_{- 0.01}^{+ 0.02}$ $0.05_{-0.01}^{+0.02}$	$1413_{- 230}^{+ 300}$ $1413_{-230}^{+300}$	${0.6}_{- 0.5}^{+ 1.2}$ $0.6_{-0.5}^{+1.2}$	${24.4}_{- ↓}^{+ 1.8}$ $24.4_{-\downarrow}^{+1.8}$	48.0	46.3

Notes. Down arrows indicate upper limits. The quantities log Q_i are the ionizing photon production rate of H and He I, for i = 0 and 1, respectively, and were calculated by integrating the SED of the best-fitting FASTWIND model.

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