\begin{table}%t3
\caption{Experimental and theoretical radiative lifetimes (in~ns) for odd-parity levels of~Os~I.}
\label{table:3}      
%\centerline
{
\begin{tabular}{c c c cccc} 
\hline\hline                
$E$ (cm$^{-1}$)&  Config.   & $J$   &Expt   &Expt     & HFR$^c$& HFR + CP$^c$ \\
&&&Previous&This work&& \\
\hline                      
22~615.69    &$\rm 5d^66s(^6D)6p \ ^7D^\circ$    &4  &                 & $400 \pm 50$ & 411 & 540\\
28~331.77    &$\rm 5d^66s(^6D)6p \ ^7P^\circ$    &4  & $238 \pm 12^a$, & $230 \pm 20$ & 149 & 200\\
            &                           &   & $265 \pm 20^b$  &              &     &    \\
28~371.68    &$\rm 5d^66s(^6D)6p \ ^7P^\circ$    &3  &                 & $390 \pm 50$ & 374 & 538\\
30~279.95    &                           &5  & $93 \pm 7^b$    &              &     &    \\
30~591.45    &$\rm 5d^66s(^6D)6p \ ^7P^\circ$    &4  & $98 \pm 8^a$    & $98 \pm 8$   & 106 & 135\\
32~684.61    &                           &4  & $28 \pm 2^b$    &              &     &    \\
33~124.48    &$\rm 5d^66s(^6D)6p \ ^7P^\circ$    &3  &                 & $51 \pm 4$   &  65 &  85\\
34~365.33    &$\rm 5d^66s(^6D)6p \ ^5F^\circ$    &5  & $24 \pm 2^{a,b}$& $25 \pm 2$   &  18 &  23\\
34~803.82    &$\rm 5d^66s(^6D)6p \ ^5F^\circ$    &4  &                 & $58 \pm 5$   &  46  &  59\\
35~615.92    &$\rm 5d^66s(^6D)6p \ ^5P^\circ$    &3  &                 & $31 \pm 2$   &  33  &  38\\
36~826.39    &$\rm 5d^66s(^6D)6p \ ^5D^\circ$    &4  &                 & $45 \pm 4$   &  82  & 109\\
37~908.77    &$\rm 5d^66s(^4D)6p \ ^5D^\circ$    &4  &                 & $28 \pm 2$   &  14  &  18\\
40~361.92    &$\rm 5d^66s(^4D)6p \ ^3F^\circ$    &4  &                 & $8.5 \pm 0.7$&  6.4 & 9.1\\
46~776.29    &$\rm 5d^7(^4F)6p \ ^3D^\circ$      &3  &                 & $4.8 \pm 0.3$&  4.2 & 5.9\\
\hline                                   
\end{tabular}}
\medskip
$^a$ Kwiatkowski et~al. (\cite{Kwiat84});
$^b$ Ivarsson et~al. (\cite{Ivars03});
$^c$ Present work.
\end{table}