\begin{table}%t1
\caption{Ephemerides of \PSR$^{a}$.}\label{tab1}
\small%\centerline
 {
\begin{tabular}{lc}
\hline\hline\\[-3mm]
Right Ascension (J2000)  & $19^{\rm h} 32^{\rm m} 13.983^{\rm s}\pm
0.002^{\rm s}$ \\
Declination (J2000)          & $+10^\circ\; 59'\; 32.41''\pm 0.07''$  \\
First date for valid parameters (MJD) & 52~929 \\
Last date for valid parameters (MJD) & 53~159 \\
Pulsar rotation period (s)        & 0.2265182954 \\
Period derivative $\dot{P}$ ($10^{-15}$ s s$^{-1}$) & 1.164739 \\
Characteristic age ($10^{6}$ yrs)          & 3.09 \\
Surface dipole magnetic field ($10^{12}$ G) & 0.5129 \\
Dispersion Measure (pc cm$^{-3}$)  & 3.178 \\
Distance (pc)   &  $361^{+10}_{-8}$ \\
Spin-down Luminosity ($10^{33}$) erg s$^{-1}$ & 3.89 \\
\hline
\end{tabular}}
\medskip
$^{a}$ Adopted from Becker et~al. (\cite{Beck06}).
\end{table}