\begin{table}%t4
\caption{\label{lineflux}Measured line fluxes for HD~163296 with $1\sigma$ errors.}
\small%\centerline
 {
\begin{tabular}{llrrrrrr}
\hline \hline
Line ID                 &$\lambda$ (theory)& \multicolumn{2}{c}{RGS1}        & \multicolumn{2}{c}{RGS2}       & Flux        & unabs. intensity \\
                          & [\AA]          & $\lambda$ (fit)[\AA]& [counts]  &$\lambda$ (fit) [\AA]&[counts]  & [$10^{-6}$~cts~cm$^{-2}$~s$^{-1}$]& [$10^{27}$~erg~s$^{-1}$]    \\
\hline
\ion{Ne}{x} Ly~$\alpha$  &12.14           & n.a.          &   n.a.          &$12.14\pm0.01$  &$ 38\pm 9$     &$5.1 \pm1.2 $&$ 17.7 \pm   6.2 $\\
\ion{Ne}{ix} $r^a$        &13.46           & n.a.          &   n.a.          &$13.45\pm0.01$  &$32 \pm 9  $   &$ 4.4\pm1.2 $&$ 14.5 \pm   5.7 $\\
\ion{Ne}{ix} $i^a$        &13.56           & n.a.          &    n.a.         &$13.55\pm0.01$  &$21\pm 9    $  &$ 2.9\pm1.2 $&$  9.6 \pm   4.8 $\\
\ion{Ne}{ix} $f$            &13.70           &   n.a.        &   n.a.          &$13.69\pm0.01$  &$22 \pm 8    $ &$ 3.0\pm1.1 $&$  9.9 \pm   4.6 $\\
\ion{O}{viii} Ly~$\alpha$&18.97           &$18.98\pm0.01$ & $74 \pm 10   $  &$18.98\pm0.01$  &$117\pm13$     &$18.7\pm2.2 $&$ 54.6 \pm  20.4 $\\
\ion{O}{vii} $r$            &21.6            &$21.57\pm0.01$ & $42.7 \pm 7.8$  & n.a.           & n.a.          &$14.6\pm 2.7$&$ 45.2 \pm  21.5 $\\
\ion{O}{vii} $i$            &21.8            &$21.77\pm0.01$ & $ 7.8\pm 4.4$   & n.a.           & n.a.          &$ 3.2\pm1.8 $&$ 10.0 \pm   7.2 $\\
\ion{O}{vii} $f$            &22.1            &$22.07\pm0.01$ & $46.2  \pm 8.1$ & n.a.           & n.a.          &$14.6\pm2.6 $&$ 46.0 \pm  22.6 $\\
\ion{N}{vii} Ly~$\alpha$ &24.78           & n.a.          & n.a.$^b   $     &$24.78\pm0.01$  &$14\pm 6$      &$3.3\pm 1.4 $&$  8.0 \pm   4.6 $\\
\ion{C}{vi} Ly~$\alpha$  &33.70           & n.a.          &  n.a.           &$33.70\pm0.01$  &$ 50\pm 9$     &$20   \pm3.6$&$ 73.0 \pm  56.6 $\\
\ion{Fe}{xvii}            &15.01           &$15.01\pm0.01$ & $50 \pm 9  $    &$15.03\pm0.01$  &$101\pm13$     &$11.5\pm1.7 $&$ 35.5 \pm  11.6 $\\
\ion{Fe}{xvii}            &15.26           & n.a.          & n.a.$^b   $     &$15.28\pm0.01$  &$68\pm11$      &$ 8.7\pm1.4 $&$ 26.8 \pm   9.0 $\\
\ion{Fe}{xvii}            &16.78           &$16.79\pm0.01$ & $26 \pm 7 $     &$16.78\pm0.01$  &$59\pm11$      &$6.6 \pm1.3 $&$ 20.0 \pm   7.6 $\\
\ion{Fe}{xvii}            &17.05$^d$       & n.a.          &   n.a.          &$17.05\pm0.01^c$&$53\pm14$      &$7.4 \pm1.9 $&$ 22.4 \pm   9.3 $\\
\ion{Fe}{xvii}            &17.10$^d$       & n.a.          &    n.a.         &$17.10\pm0.01^c$&$59\pm14$      &$8.2 \pm1.9 $&$ 24.9 \pm  10.0 $\\
\hline
\end{tabular}}
\medskip
$^a$ Line blended (see text);
$^b$~region contains empty bins;
$^c$~lines are not resolved, but two components are necessary to reproduce the line width, for the fit we fix the difference in~$\lambda$.
\end{table}