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Table 2

Initial positions and velocities in the adopted Cartesian coordinate system.

Leo IV Leo V Δ

X [kpc] 14.713 20.937 6.224
Y [kpc] 84.728 90.435 5.707
Z [kpc] 128.442 149.262 20.840

[km s-1] 0.961 7.242 6.281
[km s-1] 5.537 31.282 25.745
[km s-1] 8.392 51.630 43.238

[km s-1] –4.409 39.276 43.686
[km s-1] 12.945 –14.784 –27.731
[km s-1] 4.118 75.047 70.928

Notes. The final set of velocities assumes the same amount of relative tangential velocity as given by the relative radial velocity.

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