Table 4: Parameters for the $\kappa $ CMa central star and its circumstellar environment for the best axi-symetric model.
parameter value
$T_{\rm eff}$ 22 500 K $\pm$ 1000
Radius $6~R_{\odot} \pm 1$
Inclination angle i 60 $\hbox{$^\circ$ }\pm 10$
Equatorial rotation velocity 240 km s $^{-1} \pm 20$
rotation law exponent $0.32 \pm 0.1$
Photospheric density ( $\rho_{\rm phot}$) $4\times 10 ^{-11}$ g cm $^{-3}\pm 2\times 10^{-11}$
Equatorial terminal velocity 1 km s $^{-1}\pm 10$
Polar terminal velocity 1000 km s $^{-1} \pm 100$
Polar mass flux $2\times 10 ^{-11}~M_{\odot}$ year-1 sr $^{-1}\pm 0.5\times 10^{-11}$
m1 10 $\pm$ 5
m2 10 $\pm$ 2
C1 30 $\pm$ 10
Envelope outer radius 23  $R_\star\pm 2$
Major axis position $+28\hbox{$^\circ$ }\pm 5$
Over-density position along the disk major axis


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