\begin{table}%t3
%\centering
\par
\caption{Model atom summary: number of Non-LTE energy levels 
and line transitions.\label{table:modelatoms}}
\begin{tabular}{lrr}
\hline \hline 
Ion            &  Levels &   Lines \\
\hline %----------------------------------------------------------
H~{\sc i}     &  10  &    45\rule[0mm]{0mm}{4.5mm}\\
H~{\sc ii}    &   1  &     0   \\
\par
He~{\sc i}    &  17  &   136\rule[0mm]{0mm}{4.5mm}\\
He~{\sc ii}   &  16  &   120 \\
He~{\sc iii}  &   1  &     0 \\
\par
C~{\sc iii}   &   2  &     1\rule[0mm]{0mm}{4.5mm}\\
C~{\sc iv}    &  19  &   171 \\
C~{\sc v}     &   1  &   0   \\
\par
N~{\sc iii}   &   1  &     0\rule[0mm]{0mm}{4.5mm}\\
N~{\sc iv}    &  38  &   703 \\
N~{\sc v}     &  17  &   136 \\
N~{\sc vi}    &   1  &   0   \\
\par
Fe~{\sc iii}  &   1  &    0\rule[0mm]{0mm}{4.5mm}\\
Fe~{\sc iv}   &  11  &   49   \\
Fe~{\sc v}    &  13  &   69   \\
Fe~{\sc vi}   &  17  &  121  \\
Fe~{\sc vii}  &  11  &   52   \\
Fe~{\sc iix}  &   9  &   34   \\
Fe~{\sc ix}   &   9  &   35   \\
Fe~{\sc x}    &   1  &    0   \\
\hline
Sum            & 196  & 1672  \\
\hline
\end{tabular}             
\end{table}