\begin{table}%t4
\caption{\label{soren-syd-irwin-3stars}A comparison of photometric periods for three M~34 stars common to the Lowell campaign, the Irwin et~al. study and the Meibom et~al. (in~prep.) study (\cf Fig.~\ref{IRWINcompFIG} and Sect.~\ref{IRWINcomp}).}
%\centering
\par
\begin{tabular}{cccc}        
\hline\hline  \noalign{\smallskip}              
\par
ID           &  Lowell                & Irwin et~al. & Meibom et~al.  \\
             &  [days]                &  [days]      & [days] \\
\hline
F3\_0413     & $5.45  \pm 0.08$       & 2.458        & 5.47  \\
F4\_0234     & $5.56  \pm 0.07$       & 0.822        & 5.47  \\
F4\_1147     & $0.589 \pm 0.001$      & 1.429        & 0.592 \\
\hline
\end{tabular}
\end{table}