\begin{table}%t2
\caption{\label{OMC_sourcelist}Sources monitored by the OMC in the Galactic bulge region. The ordering is the same as Table~1. Listed are the source name,
OMC identifier and the period of monitoring (period~I covers the revolutions before~421, 
period~II covers revolution 421 and onwards). 
Revolution~421 corresponds to~2006, March~25 or~MJD~53819.
The results for IGR~J17544$-$2619 are shown in
Fig.~\ref{OMC_lightcurve}.} 
\small%%\centering

\par
\begin{tabular}{l|lc}
\hline\hline
\multicolumn{1}{l|}{Source} &
\multicolumn{1}{l}{OMC identifier} &
\multicolumn{1}{l}{Period} \\
\hline
GRS~1758$-$258     & IOMC~6846000121 & II   \\
IGR~J17544$-$2619  & IOMC~6849000050 & II   \\
GX~3+1             & IOMC~6836000093 & II   \\
SLX~1735$-$269     & IOMC~6835000362 & I, II \\
XTE~J1748$-$288    & IOMC~6840000094 & II   \\
IGR~J17475$-$2822  & IOMC~6840000103 & II   \\
1E~1743.1$-$2843   & IOMC~6840000034 & I, II \\
SAX~J1747.0$-$2853 & IOMC~6840000039 & II   \\
IGR~J17407$-$2808  & IOMC~6839000184 & I, II \\
SLX~1737$-$282     & IOMC~6839000170 & II   \\
IGR~J17456$-$2901  & IOMC~6840000098 & I, II \\
SAX~J1744.7$-$2916 & IOMC~6840000084 & I, II \\
KS~1741$-$293      & IOMC~6840000085 & I, II \\
1A~1742$-$294      & IOMC~6840000080 & I, II \\
SLX~1744$-$299     & IOMC~6840000042 & II   \\
1E~1740.7$-$2942   & IOMC~6840000077 & I, II \\
GRS~1734$-$292     & IOMC~6839000175 & I, II \\
IGR~J17460$-$3047  & IOMC~7377000086 & II   \\
IGR~J17391$-$3021  & IOMC~7376000097 & I, II \\
IGR~J17285$-$2922  & IOMC~6838000560 & I, II \\
H1743$-$322         & IOMC~7381000052 & II   \\
IGR~J17488$-$3253  & IOMC~7381000160 & II   \\
SLX~1746$-$331     & IOMC~7381000150 & II   \\
4U~1722$-$30       & IOMC~7375000273 & I, II \\
\hline
\end{tabular}
\end{table}