\begin{table}%t9
\caption{ Same as in Table~\ref{t:psr-lum} but for the PWNs of the same pulsars. 
Information on the PWN size and the ratios of the pulsar 
to PWN luminosities  in the optical and X-rays for each pulsar is included.}  
\label{t:pwn-lum}
%\centering
{
\begin{tabular}{lcccccccccc}
\hline\hline 
PWN & size & ${\rm \alpha^{O}_{\nu}}$ & ${L^{\rm O,a}}$ & ${\rm \eta ^{O}}$ & ${\alpha^{\rm X}_{\nu}}$ 
& ${L^{\rm X,b}}$ & ${\rm \eta ^{X}}$ & ${L^{\rm O}\Delta E^{\rm X} \over L^{\rm X}\Delta E^{\rm O}}$ 
& ${L^{\rm O}_{\rm psr}/L^{\rm O}_{\rm pwn}}$ & ${L^{\rm X}_{\rm psr}/L^{\rm X}_{\rm pwn}}$ \\  
% 
    & pc & & ${\rm 10^{33}~erg~s^{-1}}$ & ${\rm 10^{-5}}$ &  & ${\rm 10^{36}~erg~s^{-1}}$ & ${\rm 10^{-3}}$ &  &  & \\
% 
\hline  
%
Crab & 1.5 & 0.92$^c$ & 4240$^c$  & 920 & 1.14$^b$  & 21.8$^d$ & 47.5 &  867 & 0.0017 & 0.046  \widerul\\
%
0540  &  0.6--0.9  & 1.5$^e$ & 366$^e$ & 245 &  1.04$^b$  & 12$^d$  & 79.7 & 136 & 0.03 & 0.26  \widerul\\    
%
Vela  & 0.14 & -- & -- & -- & 0.5$^f$ & ${\rm 6.8^d\times 10^{-4}}$ & ${\rm 9.8\times 10^{-2}}$ & -- & -- & 0.34 \widerul\\   
\hline
\end{tabular}}
\begin{tabular}{ll} 
$^a$~For the optical range 1.57--3.68 eV. & $^e$~This paper. \\
$^b$~For the X-ray range 0.6--10 keV.     & $^f$~From Pavlov et~al.~(2001b); ${L^{\rm X}}$ rescaled to the 0.6--10 keV \\
$^c$~Optical fluxes are taken from Veron-Cety \& Woltjer (1993). &  range and $d=0.29$~kpc. \\
$^d$~Kaaret et~al. (2001); $ {L^{\rm X}}$ rescaled to the 0.6--10 keV range. & 
\end{tabular} 
\end{table}