\begin{table}%t3
\caption{\label{globsolut}Orbital elements of Her~X-1.}
%\centerline
{\begin{tabular}{l l l}
\hline\hline\noalign{\smallskip}
$T_{\pi/2}(0)$~[MJD (TDB)]  &=& 46~359.871940(6)$^{1}$ \\
$P_{\rm orb}(0)$ ~[d]                    &=& 1.700167590(2)  \\
$\dot P_{\rm orb}(0)$~[d/d]           &=& $(-4.85\pm0.13)\times 10^{-11}$    \\
$a~{\rm sin}~i$~[lt-s]                              &=& 13.1831(4)$^{2}$ \\
eccentricity $\epsilon$                   &=& $(4.2\pm0.8) \times 10^{-4}$ \\
omega~[deg]                                 &=& $96.0 \pm 10.0$   \\
\hline
\end{tabular}}
\smallskip
\par
$^{1}$ The uncertainties in parentheses (68\%) 
refer to the last digit(s).\\
$^{2}$ Note that \citet{Deeter_etal81} had measured
$a ~{\rm sin} ~i  = 13.1831(3)$~\mbox{lt-s} (with a slightly smaller uncertainty). All other values
are updated or~new.
\par
\end{table}