\begin{table}
  \caption {\label{tab:psfit_line_mos}Best-fit parameters from joint fits to PN, MOS1, and MOS2
  spectra of Elias 29, during~5 different time intervals, using an
  absorbed 1T thermal model with an additional line at 6.4~keV (Fe
  fluorescent line).}
\par
%\centerline
 {
     \begin{tabular}{lccccccccc}
     \hline\hline\\[-3mm]
Time interval &  $N({\rm H})$ & $kT$ & $Z$ & $E\!M$ & $f_{\rm 6.4~ keV}$ & $W_{\rm 6.4~keV}$ & $\chi^2$/d.o.f. & $P$ & $F_{\rm X}$ \\
\hline
~ & $N_{22}$ & keV &  $Z_{\odot}$ & $E\!M_{53}$ & $f_{-6}$ & eV & ~ & ~ & $F_{-13}$ \\
\hline
seg1\dag & 5.5 $\pm$ 0.5 & 4.3 $\pm$ 0.8 & 1.0 $\pm$ 0.2 & 0.9 $\pm$ 0.3 & 0.1 $\pm$ 0.7 & 26.6  & 1.2 & 0.1 & 2.1\\
seg2\dag & 7.5 $\pm$ 0.8 & 3.5 $\pm$ 0.7 & 0.9 $\pm$ 0.2 & 0.9 $\pm$ 0.3 & 1.1 $\pm$ 0.7 & 539.0 & 1.4 & 0.0 & 1.3\\
seg3 & 6.7 $\pm$ 0.6 & 3.3 $\pm$ 0.5 & 0.7 $\pm$ 0.2 & 1.1 $\pm$ 0.4 & 0.4 $\pm$ 0.6 & 171.0  & 1.1 & 0.3 & 1.7\\
seg4 & 7.5 $\pm$ 0.4 & 3.5 $\pm$ 0.3 & 0.7 $\pm$ 0.1 & 1.9 $\pm$ 0.4 & 1.2 $\pm$ 0.7 & 288.0  & 1.4 & 0.0 & 3.0\\
seg5 & 5.8 $\pm$ 0.4 & 3.7 $\pm$ 0.5 & 0.5 $\pm$ 0.1 & 1.6 $\pm$ 0.4 & 1.2 $\pm$ 0.7 & 330.0  & 1.5 & 0.0 & 2.3\\
\hline
	\end{tabular}
}
\par
\smallskip
\dag\ MOS1 data (mostly) unavailable for this time interval so only PN and
MOS2 data were used.    
\end{table}