\begin{table}%t3
\caption{rms mode amplitude parameters for HD 49933, given by the
  product $\pi H \Gamma$, with the height and linewidth parameters
  coming from the \emph{Reference} fits. Values are relevant to $l=0$.
  Data marked with filled circles indicate where at least six of the
  seven fitters agreed on the value of the parameter to within
  $1\sigma$. (See Table~\ref{table_hg} for details on those cases
  where disagreement in the height and linewidth parameters was noted
  at $>$$1\sigma$.)  The rms mode amplitudes are typically underestimated by about 2.5\% due to the interpolation of the gaps.}
\label{table_amp}      
%\centering
\par
\begin{tabular}{c c c c}     
\hline\hline       
Order& rms mode amplitude  & Uncertainty & Agreement\\ 
 & $\sqrt{\pi H \Gamma}$ (in ppm) &(in ppm)\\
\hline                    
 	14&2.70	&0.30  	& $\bullet$ 	\\
	15&1.84	&0.20	&\\
	16&2.44	&0.23	&$\bullet$		\\	
	17&2.12	&0.24	&\\
	18&2.92	&0.23	&$\bullet$	\\
	19&3.16	&0.24	&$\bullet$\\
	20&3.75	&0.23	&$\bullet$	\\
	21&2.94	&0.23	&$\bullet$	\\
	22&2.56	&0.22	&$\bullet$	\\
	23&2.59	&0.23	&$\bullet$	\\
	24&2.15	&0.26	&	$\bullet$\\
	25&1.75	&0.21	&\\
	26&2.04	&0.22	&$\bullet$\\
	27&1.68	&0.27	&$\bullet$\\
\hline 
\end{tabular}
\end{table}