Table B.1.
Parameters for the creation of mock spiral arms based on the Reid et al. (2019) model.
| σ2 | N | Noise parameter | |||
|---|---|---|---|---|---|
| Ideal | Noisy | Inter arms | |||
| 3 kpc | 0.014 | 20 | 0.0 | 0.03 | 0.01 |
| Norma | 0.011 | 20 | 0.0 | 0.03 | 0.01 |
| Sct-Cen | 0.018 | 20 | 0.0 | 0.03 | 0.01 |
| Sgr-Car | 0.021 | 20 | 0.0 | 0.03 | 0.01 |
| Local | 0.024 | 50 | 0.0 | 0.03 | 0.01 |
| Perseus | 0.027 | 50 | 0.0 | 0.03 | 0.01 |
| Outer | 0.050 | 50 | 0.0 | 0.03 | 0.01 |
Notes. N is the number of centers for bivariate normal distributions with variance σ2 in their covariance matrix. Noise is the scaling factor for random noise added to the coordinates of the mock stars. Random noise is drawn from an univariate normal distribution of mean 0 and variance 1.
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