Table 2: Stellar parameters of WR 102ka and WR 102c.
  WR 102ka WR 102c
Spectral type Ofpe/WN9 WN6(h?)
$\varv_\infty$ [km s-1] 400 $\ge$1300
$\log~L\ [\mbox{$L_\odot$ }]$ $6.5 \pm 0.2$ $6.3 \pm 0.3$
$^{a}\log~\Phi_{\rm {i}}\ [\rm s^{-1}]$ 48.96 50.12
$A_{V}\ [{\rm mag}]$ $27\pm 5$ $26\pm 1$
$E_{B~-~V}\ [{\rm mag}]$ $8.0\pm 1$ $7.6\pm 0.3$
T* [kK] 25.1 $\approx$50
$\log~\dot{M}\ [\mbox{$M_\odot~{\rm yr}^{-1}$ }]$ -4.4 -4.0
$R_\ast\ [{R_{\odot}}$] 92 20

a $\Phi_{\rm {i}}$: number of H ionizing photons per second.


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