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Table 2.
Parameters used for SED fitting with CIGALE.
| Modules | Parameters | Description |
|---|---|---|
| SFH | sfh delayed | Delayed star formation history with optional exponential burst |
| tau_main [Myr] | 1000,1500,2000,2500 | e-folding time of the main stellar population mode |
| age_main [Myr] | 1000,2000 | Age of the main stellar population in the galaxy |
| tau_burst [Myr] | 100 | e-folding time of the late starburst population model |
| f_burst | 0.0,0.05 | Mass fraction of the late burst population |
| SSP | Bruzual & Charlot (2003) | Single stellar population |
| IMF | Chabrier (2003) | Initial mass function |
| Z | 0.2,1 | Metallicity, Z⊙ = 0.02 |
| log(U) | −3.0,−2.0 | Ionisation parameter of the nebular component |
| Zgas | 0.6,1 | Gas metallicity, Z⊙ = 0.02 |
| Dust attenuation | Charlot & Fall (2000) | |
| Av_ISM | 0.3,1.0,1.7 | V-band attenuation in the interstellar medium |
| μ | 0.3,0.44 | AV,ISM/(AV,BC+AV,ISM) |
| Dust emission | Draine et al. (2014) | |
| qpah | 1.12,2.5,3.9 | Mass fraction of PAHs |
| Umin | 1.0,5.0,10.0 | Minimum radiation field |
| α | 1.5,2.0,2.5,3.0 | Power-law slope |
| γ | 0.02,0.1 | Fraction illuminated from Umin to Umax |
| qIR | 2.19,2.58 | Value of the FIR/radio correlation coefficient for star formation. |
Notes. We refer to Boquien et al. (2019) for a detailed description of each of the SED fitting parameter.
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