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Table 1.
Parameters used in CIGALE for modeling the SEDs of our galaxies.
| Parameters | Values | Unit | Description |
|---|---|---|---|
| Delayed star-formation history | |||
| τmain | 25, 50, 100, 250 | Myr | e-folding time of main stellar population |
| Agemain | 101 log values in [50, 1260] | Myr | Age of the main stellar population |
| fburst | No burst | – | Burst |
| Stellar emission | |||
| SSP | Bruzual & Charlot (2003) | – | Single stellar population |
| IMF | Chabrier (2003) | – | Initial mass function |
| Z | 0.0004, 0.004, 0.008 | – | Metallicity |
| Age separation | 10 | Myr | Age difference between old and young stars |
| Nebular emission | |||
| log U | Cormier et al. (2019) | – | Ionization parameter |
| Zgas | Madden et al. (2013) | – | Gas metallicity |
| ne | 10, 100, 1000 | cm−3 | Electron density |
| – | 100 | km s−1 | Lines width |
| Dust attenuation | |||
| – | Calzetti et al. (2000) | – | Dust attenuation law |
| E_BV_lines | 101 log values in [0.001, 1] | – | Colour excess for old and young stars |
| uv_bump_ampl | 0.0 | – | Amplitude of the UV bump |
| powerlaw_slope | 0.0 | – | Powerlaw slope modifying attenuation curve |
| Dust emission | |||
| – | Draine et al. (2014) | – | Dust emission models |
| qPAH | Rémy-Ruyer et al. (2015) | – | Mass fraction of PAH |
| Umin | Rémy-Ruyer et al. (2015) | Habing | Minimum radiation field |
| α | Rémy-Ruyer et al. (2015) | – | Powerlaw slope dU/dMd ∝ Uα |
| γ | 0.1, 0.3, 0.5, 0.7, 0.9 | – | Illuminated fraction |
Notes. We did not include any AGN emission.
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