Table A.1
Input values and fitted values of the parameters of the model used in the test simulations in Sect. 3.
| Parameter | Unit | Reference | GA | DS |
|
|
||||
| Md | 107 M⊙ | 4 | 3.75 ± 0.5 | 4.57 ± 1.61 |
| τf | – | 0.80 | 0.98 ± 0.14 | 1.26 ± 0.37 |
| hR,d | kpc | 6.6 | 5.83 ± 0.75 | 7.90 ± 1.44 |
| hz,d | pc | 250 | 245 ± 30 | 284 ± 61 |
| Ltot | 109 L⊙ | 1 | 0.97 ± 0.09 | 0.98 ± 0.13 |
| hR, ∗ | kpc | 4.4 | 4.36 ± 0.26 | 4.0 ± 0.5 |
| hz, ∗ | pc | 500 | 519 ± 51 | 505 ± 84 |
| B/D | – | 0.33 | 0.34 ± 0.08 | 0.23 ± 0.19 |
| R e | kpc | 2 | 1.75 ± 0.24 | 2.16 ± 0.45 |
| n | – | 2.5 | 2.5 ± 0.5 | 3.52 ± 0.65 |
| q | – | 0.5 | 0.50 ± 0.04 | 0.51 ± 0.17 |
| i | deg | 89 | 88.9 ± 0.1 | 89.2 ± 0.3 |
Notes.The values used to create the reference image (see Fig. 6) are given in the third column. The fourth an fifth column list the fitted values for these parameters, together with their 1σ error bars, for the fits with eleven free parameters for the genetic algorithms and downhill simplex method respectively.
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