Table 4: Stellar parameters of the star V 2052 Oph (HD 163472, HR 6684).
  Model Literature Ref.
Spectral type B1 V B2 IV-V RL68
V   5.83-5.87 Hip
Distance (pc) $290 \pm 50 $ 254 +83-50 Hip
$T_{\rm eff}$ $25~200\pm1100 $ 26 000 SG01
log g $4.2 \pm0.11$ 4.2 W85
$M/M_{\odot}$ $10.1\pm0.6$    
$R/R_{\odot}$ $4.1 \pm0.2$ 6.0 BB77
log $L/L_{\odot}$ $3.81 \pm 0.10$    
$v\sin i$ (km s-1) $60 \pm 4$ 63 Sect. 4.1
$P_{\rm rot}$ (d)   3.638833 Sect. 3
    $\pm$0.000003  
i ($^{\circ}$) $71 \pm 10 $    
RL68: Rountree Lesh (1968), Hip: Perryman et al. (1997), W85: Wolff & Heasley (1985),
SG01: Smith & Groote (2201), BB77: Beeckmans & Burger (1977).

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