\begin{table}%t4
%\centering
\par
\caption{Coefficients of the polynomials to correct Lick indices
for broadening effects.}
\label{sigcoefs}
\begin{tabular}{lrrr} \hline \hline
Index &  \multicolumn{1}{c}{$c_1$}  & \multicolumn{1}{c}{$c_2$} &
\multicolumn{1}{c}{$c_3$} \\ \hline
H$\delta_{\rm A}$ & 0.76129 & 0.10120 & 0.13751 \\
H$\delta_{\rm F}$ & 1.25993 &$-0.51501$ & 0.25508 \\
CN$_1$            & 0.70442 & 0.31941 &$-$0.02382 \\
CN$_2$            & 0.76492 &$-$0.00441 & 0.23949 \\
Ca4227            & 0.78022 &$-$0.28090 & 0.50067 \\
G4300             & 0.89152 & 0.10002 & 0.00847 \\
H$\gamma_{\rm A}$ & 1.11845 &$-$0.21248 & 0.09403 \\
H$\gamma_{\rm F}$ & 0.80429 & 0.25651 &$-$0.06080 \\
Fe4383            & 0.87985 &$-$0.00952 & 0.12967 \\
Ca4455            & 0.63849 & 0.09619 & 0.26532 \\
Fe4531            & 0.91332 &$-$0.01235 & 0.09903 \\
Fe4668            & 1.00545 &$-$0.12685 & 0.12140 \\
${\rm H}\beta$    & 0.99068 & 0.00563 & 0.00369 \\
Fe5015            & 0.78157 & 0.17915 & 0.03928 \\
Mg$_1$            & 0.97728 & 0.01066 & 0.01206 \\
Mg$_2$            & 0.98082 & 0.02199 &$-$0.00282 \\
Mgb               & 0.96450 &$-$0.07495 & 0.11045 \\
Fe5270            & 0.82533 & 0.12283 & 0.05184 \\
Fe5335            & 0.84324 &$-$0.08141 & 0.23817 \\
Fe5406            & 0.89017 &$-$0.14121 & 0.25104 \\
Fe5709            & 0.89437 & 0.01365 & 0.09198 \\
Fe5782            & 0.86475 &$-$0.14458 & 0.27983 \\
Na5895            & 0.94445 & 0.01617 & 0.03938 \\
TiO$_1$           & 1.00000 & 0.00000 & 0.00000 \\
TiO$_2$           & 1.00000 & 0.00000 & 0.00000 \\
\hline
\end{tabular}
\end{table}