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Table 1.
Present position and velocity of NGC 6981 in Galactocentric coordinates, used as initial conditions for the backwards (Δt < 0) test particle integration.
| X0 | 3.59746558 |
| Y0 | 8.24013064 |
| Z0 | −9.17984456 |
| U0 | −58.75537855 |
| V0 | −147.55728430 |
| W0 | 173.06078831 |
Notes. Positions are given in kpc, and velocities in km s−1.
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