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Table 2.
CIGALE parameter space.
| Parameter | Grid values |
|---|---|
| BC03 SSP templates | |
| IMF | 1 (Chabrier) |
| Metallicity Z* | 0.0001, 0.0004, 0.004, 0.008, 0.02, 0.05 |
| delayed-τ SFH | |
| e-folding time τ* [Gyr] | 0.1, 0.5, 1, 2, 4, 6, 8, 10, 12 |
| Age ⟨t*⟩ [Gyr] | 0.1, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 |
| Burst/quench age tbq [Gyr] | 0.01, 0.1, 0.5 |
| SFR ratio of burst/quench rSFR | 0.0, 0.1, 0.2, 0.6, 1.0, 3.0, 10.0 |
| Nebular emission | |
| Ionization parameter log(U) | −2.0 |
| Gas-phase metallicity Zgas | 0.001, 0.014, 0.041 |
| Charlot & Fall dust attenuation | |
ISM V-band attenuation  |
0.001, 0.01, 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0, 2.5 |
 |
0.3, 0.5, 0.7, 1.0 |
| Power-law slopes nISM, nBC | −1.0, −0.5, 0.4 |
| Draine & Li dust emission | |
| PAH fraction qPAH | 3.90 |
| Minimum radiation field Umin | 1.0 |
| Illuminated fraction γ | 0.01 |
Notes. Overview of the module and parameter selection for CIGALE. Unspecified parameters of the respective model are fixed at their default values. A list of parameters for each module is available in the appendix of Boquien et al. (2019).
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