\begin{table}%t2
%\centering
\par
\caption{\label{tab:fit}Best-fit models and X-ray fluxes at Earth for the two O-type stars.}
\begin{tabular}{lcccccccccc}
\hline\hline
\noalign{\smallskip}
Source & $N_{\rm H}$ & $k T_1$ & Norm$_1$ & $k T_2$ & Norm$_2$ & $k T_3$ & Norm$_3$ &  $\chi^2_{\nu}$ (d.o.f.) & $f_{\rm X}^{\rm abs}$ & $f_{\rm X}^{\rm unabs}$\\
& $10^{22}$~cm$^{-2}$& keV   & $10^{-4}$cm$^{-5}$ & keV   & $10^{-4}$cm$^{-5}$ & keV   & $10^{-4}$cm$^{-5}$  & & \multicolumn{2}{c}{$10^{-13}$~erg~cm$^{-2}$~s$^{-1}$}  \\
            \hline
\vspace*{-0.3cm}&\\
\hd\ (EPIC) & $\rm 0._{0.}^{0.003}$ & $\rm 0.19_{0.18}^{0.19}$ & $\rm 4.51_{4.34}^{4.63}$ & $\rm 0.48_{0.45}^{0.50}$ & $\rm 1.80_{1.65}^{1.95}$ &  & & 1.54 (410) & 4.78 & 9.16\\
\vspace*{-0.3cm}&\\
\hd\ (EP+RGS) & $\rm 0.04_{0.02}^{0.06}$ & $\rm 0.20_{0.18}^{0.21}$ & $\rm 23.5_{10.1}^{47.0}$ & $\rm 0.73_{0.62}^{0.79}$ & $\rm 0.61_{0.50}^{1.02}$ &  & & 1.36 (869) & 4.61 & 8.69\\
\vspace*{-0.3cm}&\\
\multicolumn{9}{l}{+ abundances compared to solar : ${\rm N}=0.59_{0.29}^{0.99}$, ${\rm O}=0.21_{0.15}^{0.36}$, ${\rm Ne}=0.42_{0.36}^{0.51}$}\\
\vspace*{-0.1cm}&\\
HD~155889 (EP, 2T) & $\rm 0.42_{0.23}^{0.56}$ & $\rm 0.09_{0.06}^{0.11}$ & $\rm 474_{184}^{1729}$ & $\rm 0.61_{0.50}^{0.71}$ & $\rm 2.14_{1.33}^{3.37}$ &  & & 1.30 (38) & 1.84& 3.14\\
\vspace*{-0.3cm}&\\
HD~155889 (EP, 3T) & $\rm 0.01_{0.}^{0.27}$ & $\rm 0.12_{0.07}^{0.15}$ & $\rm 3.49_{1.39}^{10.6}$ & $\rm 0.63_{0.46}^{0.72}$ & $\rm 0.60_{0.46}^{4.17}$ & $\rm 3.02_{1.93}^{9.12}$ & $\rm 0.65_{0.29}^{0.91}$& 1.20 (36) & 2.21 & 3.49\\
\vspace*{-0.3cm}&\\
\hline
\end{tabular}\vspace*{1.5mm}
\end{table}