\begin{table}%t1
\caption{Observed features of SGRs and AXPs (Only AXPs and SGRs with measured $P$ and $\dot{P}$ are listed)$^{+}$.
\label{Observations}}  
\begin{tabular}{ccccccccccc}
\hline\hline
\noalign{\smallskip}
Name & age$_{\rm SNR}$ (kyr) & $P$ (s) & $\dot{P}_{-11}$ (s/s) & $B_{p\dot{p}}^{\ddag}$ (G) & 
$L_{\rm x}$ (erg s$^{-1}$) & $ E_{\rm g, burst}$ (erg) & $t_{\rm g, rise}$ (ms) & 
$E_{\rm n, burst}$ (erg) & $t_{\rm n, rise}$ (ms) & $\Delta P/P$  \\
\hline
\noalign{\smallskip}
 sgr1806$-$20     & $17\pm 13$ & 7.49  & 8.3 &  1.28e15  & $3.6\times 10^{36}$ & $ \sim$$ 3.7\times 10^{46}$  & $<$$ 1$ & $10^{36}-10^{41}$  & -- & --\\ 
   sgr1900$+$14    & $20\pm 10$ & 5.17  & 6.1 &   9.12e14 & $2\times 10^{36}$ & $\ge $$1.2\times 10^{44}$ & $<$$ 4$ &  $10^{36}-10^{41}$& -- & $+ 10^{-4}$$^{\ast\ast}$\\ 
 sgr0525$-$66     & $10\pm 5$ & 8.05  & 6.5  &  1.18e15 & $8\times 10^{35}$ & $5.2\times 10^{44}$ & $<$$2$  & $10^{36}-10^{41}$ & -- & --\\
 \hline 
 axp1E1048$-$5937 & $20\pm 10$ & 6.45  & 3.81  &   8.05e14 & $3.4\times10^{34}$ & -- & -- & $2.7\times 10^{40}$/$2.8\times 10^{41}$& $21/5.9$ & --\\ 
 $^{\ast}$taxpxteJ1809$-$1943 & -- & 5.54  &  2.06 & 5.49e14 & $1.6\times10^{36}$ & -- & -- & -- & -- & --\\ 
 axp1E1841$-$045  & $1.5\pm 1$ & 11.77 & 4.13 &  1.13e15 & $2.3\times10^{35}$ & -- & -- & -- & -- & --\\ 
 $^{\ast}$taxpJ0100$-$7211& --   & 8.02 & 1.88  &  6.31e14 & $1.5\times10^{35}$ & -- & -- & -- & -- & --\\ 
 axpRXS1709$-$4009  & $17\pm 13$ & 11.00 & 1.94  & 7.51e14 & $6.8\times10^{35}$ & -- &  -- & -- & -- & --\\ 
 axp4U0142$+$615  & no SNR & 8.69 & 0.196 &  2.12e14 & $3.3\times10^{34}$ & -- &  -- & -- & -- & --\\ 
 axp1E2259$+$586  & $10\pm 7$ & 6.98 & 0.0484 &  9.44e13 & $3.8\times10^{34}$ & -- & --& $[3.4\times 10^{37}]^{\dag\dag}$ & (1--100) & $-4\times 10^{-6}$$^{\dag}$ \\ \hline
\end{tabular}
\par
\smallskip
 {
$^{+}$ From the SGR/AXP online catalogue at:
 {\tt http://www.physics.mcgill.ca/$^{\sim}$pulsar/magnetar/main.html}} \\
{$^{++}$ Objects are listed in order of increasing estimated age (using our model; see Sect.~\ref{sec:ageestimate});} 
{$^{\ast}$ transient AXPs;} 
{$^{\ast\ast}$ increase in spin-down rate with $\dot{P}_{\rm new} \sim 2.3\dot{P}_{\rm old}$ for about 80 days;} 
{$^{\dag}$ very sudden spin-up during the burst with $\dot{P}_{\rm new} \sim 2 \dot{P}_{\rm old}$ for about  18 days;} 
{$^{\ddag}$ derived in our model from $B=\sqrt{3\kappa P\dot{P}}$;} 
{$^{\dag\dag}$ 80 bursts with energies ranging from $3\times 10^{34}$ to $5\times 10^{36}$.} 
\end{table}