\begin{table}%t1
\caption{Journal of \rosat\ PSPC observations of HZ43 and \amher\ used
in the present paper, supplemented by the fit values for $g$, $w$, and
$b$ (see text). A downward arrow denotes that a parameter is kept at
its previous value. The observed count rates are integrals for channel
11 to 60.}
\label{tab:obslog}
\small%\centering
\par
\begin{tabular}{l@{\hspace{3mm}}lcrcccccc} 
\hline \hline \noalign{\smallskip}
Object &  Identifier & Date &  Exp (s) & Counts/s & PSPC & open/boron & $g$ & $w$ & $b$ \\           \noalign{\smallskip} \hline
\noalign{\smallskip}
\ohz & rp100308      &900621 & 21520 & $66.09\pm0.09$  & C & \hspace{-1.8mm}open & $0.986\pm0.003$ & $0.988\pm0.015$ & --\\
     & rf100113      &900621 &   290 & \hspace{1.8mm}$8.65\pm0.27$ & C & boron & $\downarrow $ & $\downarrow $ & $0.943\pm0.025$\\
     & rp200418      &910619 &   262 & $64.62\pm0.77$  & B & \hspace{-1.8mm}open & $0.993\pm0.003$ & $0.963\pm0.015$ & \\
     & rf200418      &910619 & 21625 & \hspace{1.8mm}$8.04\pm0.03$ & B & boron & $\downarrow $ & $\downarrow $ & $0.990\pm0.015$\\
     & rp141808,09,12&911211 &  1411 & $62.23\pm0.32$  & B & \hspace{-1.8mm}open & $0.998\pm0.003$ & $\downarrow $ &  \\
     & rp141818,27,28&920112 &  5420 & $63.73\pm0.16$  & B & \hspace{-1.8mm}open  & $0.998\pm0.005$ & $\downarrow $ &  \\
     & rf141822      &920113 &  1424 & \hspace{1.8mm}$8.12\pm0.12$ & B & boron & $1.005\pm0.005$ & $\downarrow $ & $\downarrow $ \\
     & rp141916,7    &921215 &  6901 & $62.68\pm0.17$  & B & \hspace{-1.8mm}open  & $0.988\pm0.003$ & $\downarrow $ & \\
     & rf141917      &921215 &  2796 & \hspace{1.8mm}$7.83\pm0.08$ & B & boron & $\downarrow$ & $\downarrow $ & $\downarrow $ \\
     & rf141500      &930709 &  2663 & \hspace{1.8mm}$7.68\pm0.08$ & B & boron & $0.978\pm0.003$ & $\downarrow $ & $\downarrow $ \\
AM~Her& rp300067-0  &910412 & 9394&\hspace{-1.8mm}$134.27\pm0.13$ & B & \hspace{-1.8mm}open  & $0.990\pm0.003$ & $\downarrow $ & \\
 \hline      
	\end{tabular}
\end{table}