\begin{table}%t1
\caption{{IRAS~18151--1208} sources characteristics, showing offsets from IRAS position, J2000 coordinates, and velocity in the local standard of rest \citep{beuther2002a}.}             % title of Table
\label{tab:sources}    
\begin{tabular}{lccccc}
\hline
\hline
source & $\Delta\alpha$[\arcsec]& $\Delta\delta$[\arcsec] & $\alpha$[J2000] & $\delta$[J2000]  & $\varv$ [km~s$^{-1}$] \\
\hline 
MM1 & 13.2 & --4.9 & 18$^{\rm h}$17$^{\rm m}$58.0$^{\rm s}$ & --12$^\circ$07$'$27$''$ & 33.4  \\
MM2 & --98.9 & --32.8 & 18$^{\rm h}$17$^{\rm m}$50.4$^{\rm s}$ & --12$^\circ$07$'$55$''$ & 29.7  \\
MM3 & --72.3 & 26.5 & 18$^{\rm h}$17$^{\rm m}$52.2$^{\rm s}$ & --12$^\circ$06$'$56$''$ & 30.7  \\
\hline
\end{tabular}
\end{table}