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Table 3
Default parameters used in SED fitting with CIGALE.
| Parameter | Symbol | Values |
|---|---|---|
| Stellar population models: Bruzual & Charlot (2003) | ||
| Initial mass function | IMF | Chabrier (2003) |
| Metallicity | Z | 0.02 |
| SFH: double exponentially decreasing | ||
| τ of the main stellar population (Gyr) | τmain | 0.1, 0.5, 1, 3, 5, 8 |
| Age of the main stellar population (Gyr) | t1 | 0.5, 1, 3, 4.5, 6, 8, 10, 13 |
| τ of the burst stellar population (Gyr) | τburst | 10 |
| Age of the burst stellar population (Gyr) | tburst | 0.05 |
| Mass fraction of young stellar population | fySP | 0, 0.01, 0.1, 0.2 |
| Nebular emission | ||
| Ionization parameter | logU | −2 |
| Gas metallicity | Zgas | 0.02 |
| Dust attenuation: Calzetti et al. (2000) | ||
| Color excess of the nebular emission | E(B − V)line | 0, 0.05, 0.15, 0.3, 0.5, 0.75, 0.9, 1.1, 1.3, 1.6 |
| Reduction factor to apply on E(B − V)line | E(B − V)star/E(B − V)line | 0.44 |
| Dust emission: Draine et al. (2014) | ||
| Mass fraction of PAHs | qPAH | 0.47, 1.12, 2.5, 3.19 |
| Minimum radiation field | Umin | 15 |
| Power law slope of the radiation field | α | 2.0 |
| Fraction illuminated from Umin to Umax | γ | 0.02 |
| AGN: Fritz et al. (2006) | ||
| The angle between the equatorial axis and line-of-sight | AGNPSY [deg] | 0.001, 20.100, 40.1, 70.100, 89.990 |
| Contribution of the AGN to the total LIR | AGNFRAC | 0, 0.01, 0.1, 0.3, 0.5, 0.7, 0.9 |
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