\begin{table}%t1
%\centering
\par
\caption{\label{tab1} Summary of the {\it RXTE} observations used in
this paper. PCA count rates represent count rates only from
the upper layer of the PCU2 detector. HEXTE count rates are
the count rates from one (of the two) clusters of detectors.}
\begin{tabular}{lcrc}
\hline\hline
Source & Exp. &  \multicolumn{1}{c}{PCA (3--20 keV)} & HEXTE (18--60~keV) \\
       & ks  & \multicolumn{1}{c}{count s$^{-1}$}  & count s$^{-1}$\\
\hline
V1223 Sgr & 90 & 13.31~$\pm$~ 0.01 & 0.88~$\pm$~0.03\\
FO Aqr & 85 & 5.6~$\pm$~0.01 & 0.27~$\pm$~0.03 \\
EX Hya & 169 & 10.21~$\pm$~0.01 & 0.24~$\pm$~0.02 \\
AO Psc & 54 & 6.11~$\pm$~0.01 & 0.12~$\pm$~0.03  \\
TVCol & 86 & 6.50~$\pm$~0.01 & 0.31~$\pm$~0.02 \\
GK Per & 22 & 32.10~$\pm$~0.04 & 3.70~$\pm$~0.04\\
V709 Cas & 36 & 7.40~$\pm$~0.02 & 0.41~$\pm$~0.04 \\
PQ Gem & 67 & 2.94~$\pm$~0.01 & 0.10~$\pm$~0.03 \\
V2400 Oph& 221 & 12.43~$\pm$~0.01 & 0.30~$\pm$~0.01\\
BG CMi   & 111 & 2.87~$\pm$~0.01 & 0.16~$\pm$~0.02 \\
V405 Aur & 26 & 2.99~$\pm$~0.01 & 0.20~$\pm$~0.04 \\
V1062 Tau & 35 & 3.52~$\pm$~0.01 & 0.26~$\pm$~0.03 \\
DO Dra   & 28 & 35.78~$\pm$~0.01 & 0.71~$\pm$~0.04 \\
TX Col   & 127 & 1.62~$\pm$~0.01 & 0.08~$\pm$~0.02  \\
\hline
\end{tabular}
\end{table}