\begin{table}%t6
\caption{Coefficients and parameters describing the distribution functions, 
Pearson~I curves,  of starburst and spiral populations.}
\label{bivasb_new}
%\centering
\small
\begin{tabular}{llllllllllll}
\hline
\hline
 %& & & & & & & & & & & \\[-8pt]
Case        & $y_0$ & $a_1$ & $a_2$ & $m_1$ & $m_2$ & Mode  & Mean  & $\sigma$ & Skew & Kurt & $\chi_\nu^2$ \\
% & & & & & & & & & & & \\[-8pt]
\hline
Starbursts & 35.11  & 11.5  & 0.62  & 61.2 & 3.45  & --0.63 & --0.74 & 0.29   & 0.50 & 0.56 & 0.86 \\
$\sigma_{\rm p}$ & 10.7  & 2.29  & 0.12  & 12.3 & 0.74  &  0.11 &  &   &  &  &  \\
Spirals    & 60.3  & 10.0 & 0.33  & 47.8 & 0.94  & --0.60 & --0.67 & 0.21   & 0.41& --0.34 & 1.03 \\
$\sigma_{\rm p}$ & 13.0  & 2.61  & 0.13  & 12.6 & 0.47  &  0.11 &  &   &  &  &  \\
\hline
\end{tabular}
\end{table}