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Table 1
Models used in this study and main parameters.
| Model | locus | Ωp | A sp | IC | N |
| (km s-1 kpc-1) | ((km s-1)2 kpc-1) | (106) | |||
|
|
|||||
| TWA0 | 1 | 12 | 850 | IC20 | 20 |
| TWA1 | 1 | 18 | 850 | IC20 | 20 |
| TWA2 | 1 | 24 | 850 | IC20 | 20 |
| TWA3 | 1 | 30 | 850 | IC20 | 20 |
| TWA10 | 1 | 18 | 850 | IC40 | 20 |
| TWA11 | 1 | 18 | 400 | IC20 | 20 |
| TWA12 | 1 | 18 | 1300 | IC20 | 20 |
| TWA13 | 2 | 18 | 1100 | IC20 | 20 |
| B1 | ~2 | 30–40 | – | – | 1 |
| B5 | – | 20–25 | – | – | 5 |
| U5, U5b | – | – | – | – | 5 |
Notes. The table lists: type of locus, pattern speed, spiral amplitude, initial conditions, and number of particles in the simulation.
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