\begin{table}%t1
\caption{\label{tbl-1}Non-axisymmetric Galactic model (Pichardo et~al. \cite{PMME03}, \cite{PMM04}).}
%\centerline
{\small
\begin{tabular}{lcl}
\hline\hline
Parameter & Value & References\\
\hline 
Bar half-length                 &3.1--3.5~kpc & Gerhard (\cite{G02}) \\
Bar axial ratios                &10:3.8:2.6& Freudenreich (\cite{F98}) \\
Bar scale lengths               &1.7, 0.64, 0.44~kpc & Freudenreich (\cite{F98}) \\
Bar angle (respect to the Sun)  & $20^{\rm o}$   & Gerhard (\cite{G02}) \\
Bar mass                                  & $10^{10}\ {M}_\odot$&Debattista et~al. (\cite{DGS02})\\
Bar pattern speed ($\Omega_{\rm B}$) & 30--60 km~s$^{-1}$~kpc$^{-1}$& ($^\ast$) \\
Spiral Arms locus                         & Bisymmetric (Logthm) & Churchwell et~al. (\cite{CBM09})\\
Spiral Arms pitch angle                   & $15.5^{\rm o}$ & Drimmel (\cite{D00}) \\
Spiral Arms external limit                & 12~kpc & Drimmel (\cite{D00}) \\
Spiral Arms: exp. with scale-length     & 2.5~kpc & Disk based\\
Spiral Arms force contrast                & $\sim$10\% & Patsis et~al. (\cite{PCG91}) \\
Spiral Arms pattern speed ($\Omega_{\rm S}$) & 20 km s$^{-1}$~kpc$^{-1}$ & Martos et~al. (\cite{MHY04})\\
\hline
\end{tabular}}
\tablebib{($^\ast$)~Weiner \& Sellwood (\cite{WS99}), Fux (\cite{F99}), Ibata \& Gilmore
  (\cite{IG95}), Englmaier \& Gerhard (\cite{EG99}).}
\end{table}