\begin{table}%t1
%\centering
\par
\caption{\label{tbl:results} Solar radius and height over the
  photosphere.}
\begin{tabular}{ccc}
\hline\hline
  &  Radius &  Height \\
  & $('')$   & km \\
\hline
 He~{\sc ii}   & $967.56 \ \pm \ 0.04$ & $5710 \ \pm 30 $ \\
 Fe~{\sc ix,x} & $969.54 \ \pm \ 0.02$ & $7146 \ \pm 15 $ \\
\hline
\end{tabular}
\end{table}