Table 2
Comparison of the real and simulated LG properties.
| Quantity | Real | Simulated |
|---|---|---|
| ∠(sMW, r12) [°] | 69 | 79 |
| ∠(sMW, v12) [°] | 114 | 104 |
| ∠(r12, v12) [°] | 171 | 171 |
| ∠(sMW, sM 31) [°] | 60 | 76 |
| ∠(r12, sM 31) [°] | 102 | 98 |
| vr [km s−1] | −109.3 | −109.9 |
| vt [km s−1] | 17.0 | 18.3 |
| r12 [kpc] | 774.0 | 774.3 |
| rh,MW [kpc] | 3.5 | 4.0 |
| rh,M 31 [kpc] | 8.9 | 4.2 |
Notes. The simulated values refer to the current time. ∠(x, y): angle between the vectors x and y. sx: spin vector of the galaxy x. v12: MW and M 31 relative velocity vector. vr: relative radial velocity. vt: relative tangential velocity. r12: relative distance. rh,x: half-mass radius of the galaxy x.
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