\begin{table}%t8
\caption{\label{L1527}Main-beam intensities, peak temperatures and width for the observed transitions towards L1527.}
\small
\begin{tabular}{lcccc}
\noalign{\smallskip}
\hline
\hline
\noalign{\smallskip}
 & & \multicolumn{3}{c}{L1527} \\ 
Frequency & $E_{\rm up}$ &$\int{{T}_{\rm mb}{\rm d}v}$ & $T_{\rm mb}$ &  $\Delta v$ \\
GHz & cm$^{-1}$ & K~km~s$^{-1}$ & K & km~s$^{-1}$\\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
HDCO~ &  & & & \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
134.285  &  12.3 & 0.75~$\pm$~0.08 & 1.1 & 0.7~$\pm$~0.1  \\ 
201.341  & 19.0 & 0.70~$\pm$~0.08 & 0.98 & 0.7~$\pm$~0.1  \\
256.585  & 21.4 & 0.77~$\pm$~0.10 & 0.18 & 0.9~$\pm$~0.1  \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
D$_2$CO~& & & \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
110.838 &  9.3 & 0.133~$\pm$~0.016 & 0.243 & 0.5~$\pm$~0.1 \\
166.103 &  14.8 & 0.219~$\pm$~0.038 & 0.327 & 0.6~$\pm$~0.1 \\
231.410 &  19.4 & 0.367~$\pm$~0.047 & 0.601 & 0.6~$\pm$~0.1 \\
276.060 &  31.4 & $\le$0.23 & --& -- \\
\hline
\end{tabular}
\end{table}