Quantitative spectroscopy of single and multiple OB-type stars - Non-LTE spectrum analysis with machine learning

Open Access

Table 5

Fundamental stellar parameters.

Object	V^a	E(B − V) (mag)	R_V	B.C. (mag)	M/M_⊙	R/R_⊙	log L/L_⊙	log τ_evol (yr)	d_spec (pc)	d_Gaia (pc)^b
HD 149757	2.567±0.005	0.33±0.02	3.0±0.1	−2.91±0.06	18.7±0.7	7.6±0.6	4.69±0.08	> ${6.80}_{- 0.04}^{+ 0.04}$ $Mathematical equation: $\[6.80_{-0.04}^{+0.04}\]$$	$135_{- 11}^{+ 11}$ $Mathematical equation: $\[135_{-11}^{+11}\]$$	$135_{- 9}^{+ 12}$ $Mathematical equation: $\[135_{-9}^{+12}\]$$
HD 93827	9.320±0.010	0.32±0.02	3.1±0.1	−2.24±0.10	12.9±0.8	11.2±0.8	4.54±0.09	${7.20}_{- 0.05}^{+ 0.06}$ $Mathematical equation: $\[7.20_{-0.05}^{+0.06}\]$$	$3461_{- 264}^{+ 266}$ $Mathematical equation: $\[3461_{-264}^{+266}\]$$	$3484_{- 194}^{+ 231}$ $Mathematical equation: $\[3484_{-194}^{+231}\]$$
HD 112092	4.032±0.014	0.04±0.01	3.1±0.1	−2.00±0.03	7.0±0.1	3.3±0.2	3.24±0.04	${6.98}_{- 0.35}^{+ 0.20}$ $Mathematical equation: $\[6.98_{-0.35}^{+0.20}\]$$	$113_{- 6}^{+ 7}$ $Mathematical equation: $\[113_{-6}^{+7}\]$$	$124_{- 3}^{+ 5}$ $Mathematical equation: $\[124_{-3}^{+5}\]$$
HD 87015	5.655±0.041	0.01±0.01	3.1±0.1	−1.62±0.05	6.3±0.2	4.6±0.3	3.28±0.05	${7.68}_{- 0.04}^{+ 0.03}$ $Mathematical equation: $\[7.68_{-0.04}^{+0.03}\]$$	$310_{- 20}^{+ 20}$ $Mathematical equation: $\[310_{-20}^{+20}\]$$	$308_{- 8}^{+ 8}$ $Mathematical equation: $\[308_{-8}^{+8}\]$$
HD 17081	4.241±0.006	0.00±0.01	3.1±0.1	−0.80±0.03	4.0±0.1	4.0±0.2	2.60±0.03	${8.19}_{- 0.01}^{+ 0.01}$ $Mathematical equation: $\[8.19_{-0.01}^{+0.01}\]$$	$109_{- 4}^{+ 5}$ $Mathematical equation: $\[109_{-4}^{+5}\]$$	$119_{- 3}^{+ 2}$ $Mathematical equation: $\[119_{-3}^{+2}\]$$

Notes. Uncertainties are 1σ values. ^(a)Mermilliod (1997), ^(b)Bailer-Jones et al. (2021).

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