\begin{table}%t1a \caption{\label{xraycount}\mbox{X-ray} count rates.} %\centerline { \small\begin{tabular}{c c c c c} \hline\hline %\footnotesize Name &Redshift &Exposure time$^{a}$& (0.5--2 keV) count rate & (2--10~keV) count rate \\ %(1)&(2)&(3)&(4)&(5)\\ &&(Ks)&(10$^{-3}$ counts s$^{-1}$)&(10$^{-3}$ counts s$^{-1}$)\\ \hline % & &(Ks)&(10$^{-3}$ counts s$^{-1}$) & (10$^{-3}$ counts s$^{-1}$) \\ SDSSJ075920.21+351903.4&0.328&19.16& $<$1.7 &0.9$^{+0.4}_{-0.3}$ \\ SDSSJ083945.98+384319.0&0.424&16.00& 1.1$^{+0.3}_{-0.3}$ &6.7$^{+0.7}_{-0.7}$ \\ SDSSJ084041.05+383819.9&0.313&16.00& $<$2.3&$<$2.0 \\ SDSSJ092318.04+010144.7&0.386&23.36& 1.2$^{+0.4}_{-0.3}$ & $<$1.8\\ SDSSJ094820.38+582526.4&0.353&31.38& 1.6$^{+0.3}_{-0.3}$ & $<$1.9\\ SDSSJ133735.01-012815.6&0.329&6.11& $<$4.2 &$<$2.7\\ SDSSJ143027.66-005614.8&0.318&7.49& $<$4.0 & $<$3.9 \\ SDSSJ143928.23+001538.0&0.339&19.32& 1.2$^{+0.4}_{-0.3}$ &3.3$^{+0.5}_{-0.4}$ \\ \hline \end{tabular}} \medskip \par $^{a}$ Filtered for good time intervals. %%\end{center} \par %\caption{(1) SDSS name. (2) Redshift. (3) Exposure time filtered for good time intervals in units of Ks. (4) Observed count rates in rest-frame (0.5-2) keV band in units of 10$^{-3}$ counts s$^{-1}$. (5) Observed count rates in rest-frame (2-10) keV band in units of 10$^{-3}$ counts s$^{-1}$ } \end{table}