\begin{table}%t1
%\centering
\par
  \caption{\label{classificationtab}The numbers of events for each
spectroscopic and photometric classification.
}
  \begin{tabular}{ l l }
    \hline\hline
                  & Photometric  classification      \\
    Spectroscopic  &                                   \\
    classification  & \hspace*{2mm} SNIa  \hspace*{5mm}   not SNIa     \\
    \hline
SNIa        & \hspace*{5mm}39   \hspace*{7mm} 7  \\
ambiguous   &\hspace*{5mm} 4    \hspace*{7mm} 24 \\
no spectrum & \hspace*{5mm}10   \hspace*{7mm} 69 \\
SNcc        & \hspace*{5mm} 1   \hspace*{7mm} 23 \\
 \hline
  \end{tabular}
  \end{table}