\begin{table}%t1
\caption{Parameters of \gem\ and \psh\ (from Taylor et~al. \cite{Taylor},
unless specified otherwise).\label{t:par}}
%\centerline
{\begin{tabular}{lll}
\hline\hline
\multicolumn{1}{r}{}&\multicolumn{1}{c}{Geminga} &\multicolumn{1}{c}{B0656+14} \\
\hline
\multicolumn{3}{l}{Observed} \\
\cline{1-1}
$\alpha$ (J2000)$^a$...         &$6^{\rm h}33^{\rm m}54\fss1530(28)^b$   &$6^{\rm h}59^{\rm m}48\fss1472(7)^c$          \\
$\delta$ (J2000)$^a$... &$17\degr 46^{\prime}12\farcs909(40)^b$  &$14\degr14^{\prime}21\farcs160(10)^c$\\
$\mu_\alpha^a$ (mas yr$^{-1}$).&$138(4)^d$              &$45.47(65)^c$                 \\
$\mu_\delta^a$ (mas yr$^{-1}$).&$97(4)^d$               &$-2.40(29)^c$                   \\
$\pi^a$ (mas)......        &$6.36(1.74)^d$          &$3.47(36)^c$                  \\
$l^e$..........                &195\fdg134              &201\fdg108            \\
$b^e$..........                &4\fdg265                &8\fdg258                      \\
$P$ (ms)........    &237                     &385                           \\
$\dot P$ ($10^{-15}$).....  &$10.97$                 &$55.01$                       \\
$D\!M^f$ (cm$^{-3}$ pc) &$2.9^g$                 &$14.02$               \\
\hline
\multicolumn{3}{l}{Derived} \\
\cline{1-1}
$d^{a}$  (pc)......      &$157(^{+59}_{-34})^d$   &$288(^{+33}_{-27})^c$ \\
$\tau^h$ (kyr).....        &342                     &111                           \\
$\log B$  (G)....      &$12.21$                  &$12.67$                       \\
$\log \dot E$ (erg s$^{-1}$)  &$34.57$                 &$34.58$               \\
\hline
\\
\end{tabular}}
\par
\smallskip
$^a$~Coordinates, proper motion, parallax, and parallax-based   
 distance; hereafter the numerals in  parentheses are 1$\sigma$  
 uncertainties referring  to last significant digits quoted; 
$^b$~Caraveo et~al.~(\cite{Car98}) (epoch 1995.21); 
$^c$~Brisken et~al.~(\cite{brisk03}); % epoch 2000.0\\
$^d$~Caraveo et~al.~(\cite{Car96}); 
$^e$~galactic coordinates; 
$^f$~dispersion measure;   
$^g$~ Malofeev \& Malov~(\cite{MM97});  
$^h$~characteristic age $P/2\dot{P}$.        
\end{table}