\begin{table}%t3
\caption{\label{best_fit_table}X-ray pulse profile characterization of \psrtar\ from a fit involving two asymmetric Lorentzians plus background.}
%\centerline
{\small
\begin{tabular}{llcl}
\hline\hline
Parameter &  Value &     &   $1\sigma$-error\\
\hline
\multicolumn{4}{c}{Pulse-1}\\
$\Phi_1$\tablefootmark{a}       & 0.0831  & $\pm$ & 0.0004\\
$\Gamma_{1l}$ & 0.0175  & $\pm$ & 0.0009 \\
$\Gamma_{1r}$ & 0.0252  & $\pm$ & 0.0011 \\
\vspace{-2mm}\\
\multicolumn{4}{c}{Pulse-2}\\
\vspace{-2mm}\\
$\Phi_2$       & 0.5709  & $\pm$ & 0.0015\\
$\Gamma_{2l}$ & 0.0214  & $\pm$ & 0.0036 \\
$\Gamma_{2r}$ & 0.0502  & $\pm$ & 0.0056 \\
\vspace{-2mm}\\
\multicolumn{4}{c}{Derived quantities}\\
\vspace{-2mm}\\
$\Phi_2-\Phi_1$ & 0.488  & $\pm$ & 0.002\\
$N_1/N_2$       & 3.72   & $\pm$ & 0.23\\
$I_1$\tablefootmark{b}       & 0.688  & $\pm$ & 0.011\\
$I_2$           & 0.312  & $\pm$ & 0.014\\
$R=I_1/I_2$     & 2.2    & $\pm$ & 0.1\\
$\Gamma_1=(\Gamma_{1l}+\Gamma_{1r})/2$      & 0.0214 & $\pm$ & 0.0007\\
                                              & 1.41   & $\pm$ & 0.05 ms\\
$\Gamma_2=(\Gamma_{2l}+\Gamma_{2r})/2$      & 0.0358 & $\pm$ & 0.0034\\
                                              & 2.35   & $\pm$ & 0.22 ms
\\
\hline\end{tabular}}
\tablefoot{\tablefoottext{a}{Statistical error only, the systematic error is of the order of 0.01 \citep[see][]{liv2009}.}
\tablefoottext{b}{Relative contribution of the integrated flux in pulse-1 to the total pulsed flux.}}
\end{table}