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Table 1

Parameters of the axisymmetrical component of today’s MW model.

Component Parameter Value

Bulge MC1 0.3 × 1010   M
rC1 2.7 kpc
MC2 1.6 × 1010   M
rC2 0.42 kpc
Disk MD1 8.9 × 1010   M
a1 5.0 kpc
MD2 –6.9 × 1010   M
a2 15.8 kpc
MD3 2.8 × 1010   M
a3 33.0 kpc
b 0.3 kpc
Halo VH 225 km s-1
r0 8.4 kpc

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