Table 1
Model parameter values recovered by the FitSKIRT radiative transfer fits for two basic input models.
| Parameter | Units | Input | Spiral | Clumpy | ||
|
|
||||||
| hR, ∗ | kpc | 4.23 | 4.26 ± 0.03 | 4.48 ± 0.06 | ||
| hz, ∗ | kpc | 0.51 | 0.59 ± 0.03 | 0.58 ± 0.01 | ||
| Reff | kpc | 2.31 | 2.44 ± 0.15 | 2.52 ± 0.09 | ||
| n | – | 2.61 | 2.27 ± 0.12 | 2.0 ± 0.1 | ||
| q | – | 0.56 | 0.58 ± 0.01 | 0.55 ± 0.01 | ||
| hR,d | kpc | 6.03 | 4.89 ± 0.56 | 4.94 ± 0.22 | ||
| hz,d | kpc | 0.23 | 0.201 ± 0.004 | 0.203 ± 0.003 | ||
| Md | 107M⊙ | 3.02 | 2.34 ± 0.12 | 2.5 ± 0.1 | ||
| i | deg | 90 | 90.01 ± 0.01 | 89.96 ± 0.02 | ||
Notes. The third column provides the “true” values of the input models, and the fourth and fifth columns list the values recovered for the model with a spiral arm perturbation and a clumpy structure respectively. For a definition of each parameter, see De Geyter et al. (2014).
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