\begin{table}%t1
\caption{\label{table:1}Selected sources.} 
%\centering
\par
\begin{tabular}{l|crr|ccl|lc} 
\hline\hline %\noalign{\smallskip}
 & &   &  &  &  &    &  &  \\[-3mm]
    Source & RA(J2000)  & Dec(J2000)  & Time & Dist. & Lum. &
    Source type & Date & rms \\
            &                  &                     &  (hr)   & (pc)
            & ($L_\odot$)  &                     & & (mK)\\
\hline
L1544                  & 05h04m17.21s & +25d10m42.8s & 10 & 120   & --
& ``Cold'' pre-stellar core &  -- & --\\
I16293E               & 16h32m28.62s & --24d29m02.7s & 10 & 120   & --
&``Warm'' pre-stellar core &  -- & --\\
L1157-B1            & 20h39m10.20s & +68d01m10.5s & 33 & 220   & --
& outflow shock spot &  2009, Aug. 1& 7--17\\
IRAS 16293-2422 & 16h32m22.75s & --24d28m34.2s & 50 & 120   & 21
& Class 0 low mass protostar &  2010, Mar. 2 & ${\sim}10$\\
OMC2-FIR4          & 05h35m26.97s & --05d09m54.5s & 42 & 440  &
$1\times10^3$ & Intermediate mass protostar & 2010, Mar. 2 & ${\sim}10$\\
AFGL~2591            & 20h29m24.90s & +40d11m21.0s & 34 & 1000&
$2\times10^4$ & High mass protostar &  2010, Apr. 12 & ${\sim}20$\\
NGC 6334I            & 17h20m53.32s & --35d46m58.5s & 42 & 1700&
$2\times10^5$ & High mass protostar & 2010, Mar. 2 & ${\sim}10$\\
W51e                    & 19h23m43.88s & +14d30m28.8s & 10 & 7000& $2\times10^6$ & High mass
protostar &  -- & --\\
\hline 
\end{tabular}
\end{table}