\begin{table}%T1
%%\centering
\par
\caption{\betamod\ fits for various sectors of A2218,
    errors are 90 per cent confidence. Sectors are defined
    anticlockwise from the positive $Y$-axis.}\label{tab:sectors} 
\begin{tabular}{l l l l}
\hline\hline
\multicolumn{1}{l}{Sector} & \multicolumn{1}{l}{$\beta$} & \multicolumn{1}{l}{$r_c$} & \multicolumn{1}{l}{$\chi^2$/d.o.f.}\\
\par
\multicolumn{1}{l}{~ } & \multicolumn{1}{l}{} & \multicolumn{1}{l}{ (arcmin) } \\
\hline
\par
Full    & $\rm 0.63^{+0.01}_{-0.01}$ & $0\farcm95^{+0\farcm02}_{-0\farcm02}$ & 208.8/168 \\
\hline
0--90    & $\rm 0.63^{+0.01}_{-0.01}$ & $1\farcm04^{+0\farcm05}_{-0\farcm05}$ & 140.0/127 \\
90--180  & $\rm 0.61^{+0.01}_{-0.01}$ & $0\farcm98^{+0\farcm04}_{-0\farcm04}$ & 275.6/148 \\
180--270 & $\rm 0.74^{+0.03}_{-0.02}$ & $1\farcm21^{+0\farcm07}_{-0\farcm06}$ & 86.9/96 \\
270--360 & $\rm 0.66^{+0.01}_{-0.01}$ & $0\farcm87^{+0\farcm04}_{-0\farcm04}$ & 161.8/115 \\
\hline
\end{tabular}
\end{table}