Table 4: Position and velocity of LSR, and local density (Kerr & Lynden-Bell 1986), bulge, disk and halo parameters (Miyamoto & Nagai 1975; Allen & Santillán 1991), together with spiral structure (Fernández et al. 2001) and central bar (Binney et al. 1991; Palous et al. 1993) parameters used in the integration of stellar orbits.
$R_{\odot}$ 8.5 kpc
$\Theta_{\odot}$ 220 km s-1
$\rho_{\odot}$ 0.15 $M_{\odot}$  pc-3

$M_{\rm B}$		 $1.4\times 10^{10}$ $M_{\odot}$
$M_{\rm D}$ $8.6\times 10^{10}$ $M_{\odot}$
$M_{\rm H}$ $1.1\times 10^{11}$ $M_{\odot}$
$a_{\rm B}$ 0.39 kpc
$a_{\rm D}$ 5.3 kpc
$b_{\rm D}$ 0.25 kpc
$a_{\rm H}$ 12.0 kpc

m		 2
i $-6\hbox{$^\circ$ }$
$\psi_{\odot}$ 330 $\hbox{$^\circ$ }$
$f_{{\rm r}}$ 0.05
$\Omega_{{\rm p}}$ 30 km s-1 kpc-1
${a_{\rm B}}/{b_{\rm B}}$ 2.381
${a_{\rm B}}/{c_{\rm B}}$ 3.030
$q_{\rm B}$ 5 kpc
to $5 \times 10^8$ years
$\theta_o$ 45$^\circ $
$\Omega_{\rm B}$ 70 km s-1 kpc-1


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