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Table 2.
CIGALE modules and input parameters used for all the fits.
| Parameter | Symbol | Range |
|---|---|---|
| Delayed SFH | ||
| Age of the main population | agemain | 12 000 |
| e-folding timescale of the delayed SFH | τmain | 1000–8000 |
| Age of the burst | ageburst | 40 |
| Burst stellar mass fraction | fburst | 0–0.1 |
| Stellar populations synthesis | ||
| Initial mass function | IMF | Chabrier |
| Metallicity | Z | 0.02 |
| Dust attenuation | ||
| V-band attenuation in the ISM |  |
0.1–3.5 |
 |
μ | 0.5 |
| Power-law slope of dust attenuation in the BCs | nBC | 0.7 |
| Power-law slope of dust attenuation in the ISM | nISM | 0–1.2 |
| Dust emission | ||
| Mass fraction of PAHs | qPAH | 0.47–5.95 |
| Minimum radiation field | Umin | 1.0–15.0 |
| Power-law slope of the radiation field | α | 2.0 |
| Fraction illuminated | γ | 0.001–0.05 |
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