Open Access
Table D.2.
Grid utilized for the free parameters of all our CIGALE SED-fitting runs.
| CIGALEfit parameters | Grid values | Description |
|---|---|---|
| Delayed exponential SFH + burst [sfhdelayed module] | ||
| τmain | 0.01, 0.1, 0.5, 1 | e-folding time of the main stellar population model in Gyr |
| Agemain | 0.01, 0.05, 0.06, 0.08, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 1, 2, 3, 5, 10, 13 | Age of the main stellar population in the galaxy in Gyr |
| τburst | 0.01, 0.025 | e-folding time of the late starburst population model in Gyr |
| Ageburst | 0.005, 0.01 | Age of the late burst in Gyr |
| fburst | 0.0, 0.1, 0.2, 0.3, 0.4, 0.5 | Mass fraction of the late burst population |
| SSP component [bc03 module] | ||
| Z | 0.02, 0.2, 1 | Stellar metallicity in Solar unities |
| Nebular component [nebular module] | ||
| logU | -3, -2, -1 | Logarithmic ionization parameter |
| zgas | 0.2, 1 | Gas metallicity in Solar unities |
| Dust attenuation component [dustatt_modified_starburst module] | ||
| EBVlines | 0.1, 0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.0, 2.5, 3.0, 3.5 | E(B-V) of the nebular lines light |
| EBVfactor | 0.44 | Reduction factor compute E(B-V) of the stellar continuum |
| RV | 4.05 | AV / E(B-V) (Calzetti law) |
| AGN component [skirtor2016 module] | ||
| i | 30, 70 | Inclination, i.e. viewing angle, position of the instrument w.r.t. the AGN axis |
| disk_type | 2 | Disk spectrum (transitional ADAF to disk spectrum; López et al. 2024) |
| delta | 1 | i.e., thin disk |
| fracAGN | 0.1, 0.3, 0.5, 0.7, 0.9 | AGN fraction at lambda_fracAGN |
| lambda_fracAGN | 0.4 | Wavelength range in microns where to compute the AGN fraction |
| Redshifting component [redshifting module] | ||
| z | from 0 to 40 in steps of 0.05 | Redshift of the source |
Notes. In this table we limit ourselves to showing only the parameters we allowed to vary in our analysis. All the remaining parameters not included in the table are fixed and their value coincides with the default ones assigned by CIGALE.
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