Table 2: Mass decomposition using isothermal halo.
    KK98 250       KK98 251  
HI Curve   $\Upsilon_V$ $r_{\rm c}$ (kpc) $\rho_0~(10^{-3}~{M}_\odot$ pc-3)   $\Upsilon_I$ $r_{\rm c}$ (kpc) $\rho_0~(10^{-3}~{M}_\odot$ pc-3)
Best fit 0.20 $\pm$ 0.05 $1.5\pm0.2$ $37.6\pm1.2$   - - -
Maximum disk 3.0 $4.1\pm1.0$ $10.0\pm1.1$   1.0 $10.5\pm14.5$ $13.4\pm1.6$
From observed  $\langle V-I\rangle$ 0.7 $1.6\pm0.1$ $30.4\pm1.0$   0.5 $4.2\pm1.6$ $15.7\pm1.3$
Minimum disk 0.0 $1.4\pm0.04$ $39.0\pm1.0$   0.0 $2.8\pm0.5$ $18.5\pm1.0$
Hybrid (HI+H$\alpha $) Curve 0.2 $0.9\pm0.1$ $65.4\pm5.6$   - - -
H$\alpha $ Curve 0.0 $0.63\pm0.08$ $117.8\pm16.5$   - - -


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