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Table 1.
CIGALE modules and input parameters used for all the fits.
| Parameter | Symbol | Range |
|---|---|---|
| Delayed SFH and recent burst | ||
| Age of the main population | agemain | 1500, 2000, 3000, 4000 Myr |
| e-folding timescale of the delayed SFH | τ | 200, 500, 1000, 2000 Myr |
| Age of the burst | ageburst | 5, 10, 50, 100 Myr |
| Burst stellar mass fraction | fburst | 0.0, 0.1, 0.15, 0.2, 0.25 |
| Dust attenuation | ||
| C00 law: | ||
| Color excess | E(B − V) | 0.1–1 |
| CF00 and LF17 laws: | ||
| V-band attenuation in the ISM |
 |
0.3–5 |
| Power law slope of dust attenuation in the BCs | nBC | −0.7 |
 ) |
μ | 0.5 |
| Power law slope of dust attenuation in the ISM | nISM | −0.7 (CF00), −0.48 (LF17) |
| Dust emission | ||
| Mass fraction of PAH | qPAH | 1.12, 2.50, 3.19 |
| Minimum radiation field | Umin | 5., 10., 25., 40. |
| Powerlaw slope dU/dM ∝ Uα | α | 2.0 |
| Dust fraction in PDRs | γ | 0.02 |
| AGN emission | ||
| Optical depth | τ | 1,6 |
| AGN luminosity fraction | fAGN | 0, 0.1, 0.2, 0.3 |
Notes. The IMF is that of Chabrier (2003) with Z = 0.02.
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