\begin{table}%t9
\caption{X-ray spectroscopy of O-type stars and WR stars and the occurrence of the 6.4--6.7~keV Fe emission-line complex.}
%%%%\centerline
\par 
{\begin{tabular}{lrlrc|lrrcl}
\hline\hline
star                    & HD/~~     & spectral type$^a$ &  $P^a$~~~   & $d^a$ & obser-       & \multicolumn{2}{c}{$T$ from X-rays} & 6.4--6.7~keV & reference \\
                        & other~~   &                   &             &       & vatory       & \multicolumn{1}{c}{$T_1$} & \multicolumn{1}{c}{$T_2$} & Fe-complex & \\
                        &           &                   &             & (kpc) &              &  (MK)     & (MK)       & observed &                  \\
\hline
                        &           &                   &             &       &              &           &            &          &                  \\[-2mm]
\multicolumn{5}{l|}{spectroscopic binaries and suspected binaries:}           &              &           &            &          &                  \\
                        &           &                   &             &       &              &           &            &          &                  \\[-2mm]
WR~6, EZ~CMa          &  50896~~  & WN4+?             &    3.76~d~ & 0.97  & $A, C      $ &         7 &  35--49 & yes~     & 1, 2             \\
WR~139                 & 193576~~  & WN5+O6III-V       &    4.21~d~ & 1.90  & $A         $ &         7 &       23   & yes~     & 3                \\
WR~25                  &  93162~~  & WN6h+O4f          &             & 3.24  & $A, X      $ &         7 &       32   & yes~     & 4, 5             \\
WR~43c                 &  97950C   & WN6ha+?           &             & 7~~~~~& $C         $ &           &            & yes~     & 6                \\
WR~147                 & AS~431~~ & WN8h+O5-7I-II(f)&$\sim$1350~~~~yr & 0.65& $A         $ &        12 &  $>$23   & no~      & 7                \\
WR~140                 & 193793~~  & WC7+O4-5          &    7.94~yr & 1.10  & $G, A      $ &        34 &            & yes~     & 3, 8             \\
WR~11, $\gamma^2$~Vel &  68273~~  & WC8+O7.5III-V     &   78.53~d~ & 0.26  & $A, C, X   $ & \multicolumn{2}{c}{$\sim$~4 -~$\ga$~25} & yes~ & 9, 10, 11     \\
$\eta$~Car             &  93308~~  & LBV+WR?           &    5.52~yr & 3.24  & $A, C, X, S$ &    $<$~8 &       54   & yes~     & 4, 12, 13,       \\
                        &           &                   &             &       &              &           &            &          & 14, 15, 16       \\
Tr~16-179              &  93205~~  & O3V+O8V           &    6.08~d~ & 3.24  & $X         $ &           &            & yes?     & 17               \\
9~Sgr                  & 164794~~  & O4V((f$^+$))+?    &             & 1.52  & $X $       & $\sim$~3   &    $\ga$20 & yes?     & 18               \\
CD--58~3545            &  93403~~  & O5.5I+O7V         &   15.09~d~ & 3.24  & $X         $ &         3 &       12   & no~      & 19               \\
V1036~Sco              & 159176~~  & O6V+O7V           &    3.37~d~ & 1.5~  & $X         $ & $\sim$~2 & $\sim$~7  & no~      & 20               \\
$\iota$~Ori            &  37043~~  & O9III+B1III       &   29.13~d~ & 0.45  & $A         $ &   1--7 &   7--36 & yes?     & 21               \\
$\delta$~Ori~A        &  36486~~  & O9.5II+B0.5III    &    5.73~d~ & 0.36  & $A, C      $ & $\sim$~4 &            & no~      & 22, 23           \\[-2mm]
                        &           &                   &             &       &              &           &            &          &                  \\
                        &           &                   &             &       &              &           &            &          &                  \\[-2mm]
\multicolumn{5}{l|}{supposedly single stars:}                                 &              &           &            &          &                  \\
                        &           &                   &             &       &              &           &            &          &                  \\[-2mm]
WR~110                 & 165688~~  & WN5-6             &             & 1.28  & $X         $ &         6 &  $\ga$~35 & yes~     & 24               \\
Tr~14-MJ198            &  93129A   & O2If$^*$          &             & 3.24  & $X         $ &           &            & yes?     & 17               \\
Tr~16-180              &  93250~~  & O3V((f$^+$))      &             & 3.24  & $X         $ &           &            & yes?     & 17               \\
$\zeta$~Pup            &  66811~~  & O4I(n)f           &             & 0.45  & $C, X      $ & \multicolumn{2}{c}{4--16} & no~ & 25, 26           \\
$\theta^1$~Ori~C      &  37022~~  & O6pe              &             & 0.45  & $A, C      $ &         9 & $\sim$~35 & yes~     & 27, 28, 29       \\
$\lambda$~Ori          &  36861J   & O8III((f))        &             & 0.32  & $A         $ &        26 &            & no~      & 22               \\
$\zeta$~Ori            &  37742~~  & O9.7Ib            &             & 0.25  & $A, C      $ & $\ga$~10 &            & no~      & 30, 31           \\
$\tau$~Sco             & 149438~~  & B0.2V             &             & 0.13  & $A, X , C  $ & 1--2   &5--10$^b$& no~      & 32, 33, 34       \\ 
\hline
\end{tabular}}
\par
\smallskip
Observatories:
$A$: {\it ASCA};
$C$: {\it Chandra};
$G$: {\it Ginga};
$S$: {\it BeppoSAX};
$X$: {\it XMM-Newton}.
\\
Notes:
$^a$ WR star spectral types, periods and distances from van~der~Hucht (\cite{VanderHucht01}).
$^b$ 3$^{\rm rd}$ $T$-range: 30--40~MK.\\
yes?: 6.4--6.7~keV region has low $S/N$ ratio, but indication
of Fe-complex present.
\\
References:
  1) Skinner \ea (\cite{Skinner98});
  2) Skinner \ea (\cite{Skinner02}a);
  3) Maeda \ea (\cite{Maeda99});
  4) Skinner \ea (\cite{Skinner95});
  5) this study;
  6) Moffat \ea (\cite{Moffat02});
  7) Skinner \ea (\cite{Skinner99});
  8) Koyama \ea (1990);
  9) Rauw \ea (\cite{Rauw00});
 10) Skinner \ea (\cite{Skinner01});
 11) Dumm \ea (\cite{Dumm02});
 12) Tsuboi \ea (\cite{Tsuboi97});
 13) Corcoran \ea (\cite{Corcoran01});
 14) Pittard \& Corcoran (\cite{Pittard02});
 15) Viotti \ea (\cite{Viotti02});
 16) Leutenegger \ea (\cite{Leutenegger03});
 17) Antokhin \ea in preparation;
 18) Rauw \ea (\cite{Rauw02}a);
 19) Rauw \ea (\cite{Rauw02}b);
 20) De Becker \ea (\cite{DeBecker03});
 21) Pittard \ea (\cite{Pittard00});
 22) Corcoran \ea (\cite{Corcoran94});
 23) Miller \ea (\cite{Miller02});
 24) Skinner \ea (\cite{Skinner02}b);
 25) Kahn \ea (\cite{Kahn01});
 26) Cassinelli \ea (\cite{Cassinelli01});
 27) Yamauchi \ea (\cite{Yamauchi96});\protect
 28) Schulz \ea (\cite{Schulz00});
 29) Schulz \ea (\cite{Schulz01});
 30) Waldron \ea (\cite{Waldron03});
 31) Waldron \& Cassinelli (\cite{Waldron01});
 32) Cohen \ea (\cite{Cohen97});\protect
 33) Mewe \ea (\cite{Mewe03});
 34) Cohen \ea (\cite{Cohen03}).
\par
\label{tab:Fe-line}
\end{table}