Table A.3
Optimal smoothing parameters for test data with varying self-absorption parameters.
| (1) | (2) | (3) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| µamp [σrms] | µlw [km s−1] | µn | |||||||
| 5.0 | 7.0(*) | 9.0 | 2.0 | 4.0(*) | 6.0 | 2.0(*) | 3.0 | 4.0 | |
| λ1 | 3.08 | 3.84 | 4.09 | 2.96 | 3.84 | 4.35 | 3.84 | 3.49 | 3.47 |
| λ2 | 0.29 | 0.45 | 0.60 | 0.20 | 0.45 | 1.26 | 0.45 | 0.80 | 1.15 |
Notes. The first test (1) describes training datasets with varying mean amplitude µamp of self-absorption features. The second test (2) shows the optimal smoothing parameters for test data with varying mean line width µlw. The third test (3) gives the optimal smoothing with varying numbers of self-absorption components µn that are added to each test spectrum. The remaining parameter distributions of each test are always set to the fiducial values µamp = 7.0 σrms, µlw = 4.0 km s−1, and µn = 2.0.
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