\begin{table}%t1
%\centering
\par
\begin{minipage}{84mm}
\caption{Atomic data.}
\begin{tabular}{@{}lrcrrr@{}}
\hline
\hline
\noalign{\smallskip}
Ion   &$\log N\rs{rel}$ &Wavelength &$f\times10^3$ &$\log\tau$
      &$Q\times10^2$                                           \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
\MgI   &$-1.6520$ &$2852.96$ \AA &$1810.0$ &$-0.8213$ & $0.2454$ \\
\MgII  &$ 0.3372$ &$2796.35$ \AA & $612.3$ & $0.6885$ & $0.5900$ \\
       &          &$2803.53$ \AA & $305.4$ & $0.3876$ & $0.3364$ \\
\AlII  &$-1.0454$ &$1670.79$ \AA &$1880.0$ &$-0.4306$ & $0.4511$ \\
\AlIII &$-1.5818$ &$1854.72$ \AA & $539.0$ &$-1.4641$ & $0.8606$ \\
       &          &$1862.79$ \AA & $268.0$ &$-1.7657$ & $0.4024$ \\
\SiII  &$ 0.4659$ &$1526.71$ \AA & $127.0$ &$-0.1288$ & $0.1038$ \\
       &          &$1808.01$ \AA &  $2.18$ &$-1.8207$ & $0.9601$ \\
\CrII  &$-1.6784$ &$2056.26$ \AA & $105.0$ &$-2.2263$ &$-2.2763$ \\
       &          &$2062.24$ \AA &  $78.0$ &$-2.3542$ &$-2.5799$ \\
       &          &$2066.16$ \AA &  $51.5$ &$-2.5336$ &$-2.7563$ \\
\FeII  &$ 0.0000$ &$1608.45$ \AA &  $58.0$ &$-0.9124$ &$-1.9301$ \\
       &          &$1611.20$ \AA &  $1.36$ &$-2.5415$ & $1.6918$ \\
       &          &$2344.21$ \AA & $114.0$ &$-0.4553$ & $2.9396$ \\
       &          &$2374.46$ \AA &  $31.3$ &$-1.0111$ & $3.8941$ \\
       &          &$2382.76$ \AA & $320.0$ & $0.0000$ & $3.5694$ \\
       &          &$2586.65$ \AA &  $69.1$ &$-0.6295$ & $3.9317$ \\
       &          &$2600.17$ \AA & $239.0$ &$-0.0892$ & $3.5259$ \\
\NiII  &$-1.4368$ &$1709.60$ \AA &  $32.4$ &$-2.5756$ &$-0.0342$ \\
       &          &$1741.55$ \AA &  $42.7$ &$-2.4477$ &$-2.4382$ \\
       &          &$1751.92$ \AA &  $27.7$ &$-2.6331$ &$-1.2263$ \\
\ZnII  &$-2.4081$ &$2026.14$ \AA & $489.0$ &$-2.2943$ & $5.0228$ \\
       &          &$2062.66$ \AA & $256.0$ &$-2.5676$ & $3.2528$ \\
\noalign{\smallskip}
\hline
\end{tabular}
\end{minipage}
\label{table1}
\end{table}