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Table 1.
Free parameters of our model.
| Ψbulk | Bulk phase-space density parameters |
|---|---|
| ak | Weights of the Gaussian mixture model |
| σz, k, σw, k | Dispersions of Gaussian mixture model |
 |
Mean height and vertical velocity |
| Ψspiral | Spiral phase-space density parameters |
| ρh = {1, 2, 3, 4} | Mid-plane matter densities |
| t | Time since the perturbation was produced |
 |
Initial angle of the perturbation |
| α | Relative density amplitude of the spiral |
| Ψz − mask | Mask in z (only used for extinction tests) |
 |
Amplitudes |
 |
Means |
 |
Dispersions |
Notes. The third sub-group of parameters, written Ψz − mask, is only included for the tests where an extinction function is applied to the data.
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