Open Access
Table B.1.
CIGALE modules and parameter grid.
| Module | ||
|---|---|---|
| Parameter | Values | Description |
| sfhdelayed | Star formation history: delayed with exponential burst. | |
| sfh.age_main | [500, 1000, 1500, 2000] Myr | Age of the main stellar population. |
| sfh.tau_main | [200, 500, 700, 1000, 2000] Myr | e-folding time of the main stellar population. |
| sfh.age_burst | [20] Myr | Age of the late burst population. |
| sfh.tau_burst | [50] Myr | e-folding time of the late burst population. |
| sfh.f_burst | [0.0, 0.005, 0.01, 0.015, 0.02, 0.05, 0.10] | Mass fraction of the late burst population. |
| bc03 | Stellar synthesis population model (Bruzual & Charlot 2003). | |
| stellar.imf | 0 | Salpeter’s initial mass function (Salpeter 1955). |
| stellar.metallicity | [0.02] Z⊙ | Metallicity of the stellar population. |
| stellar.separation_age | [10] Myr | Age separation between old and young stellar populations. |
| nebular | Nebular emission. | |
| nebular.logU | [-2.0] | Ionization parameter. |
| nebular.zgas | [0.014] | Gas metallicity. |
| nebular.ne | [100] cm−3 | Electron density. |
| nebular.f_esc | [0] | Fraction of Lyman continuum escaping the galaxy. |
| nebular.f_dust | [0] | Fraction of Lyman continuum absorbed by dust. |
| nebular.lines_width | [100] km s−1 | Line width (FWHM). |
| dustatt_modified_CF00 | Dust attenuation: modified attenuation law (Charlot & Fall 2000). | |
| attenuation.Av_ISM | [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.5, 2, 2.5, 3, 3.5, 4] mag | V-band attenuation in the ISM. |
| attenuation.mu | [0.44] | Attenuation ratio between the ISM and the birth clouds. |
| attenuation.slope_ISM | [-0.7] | Power law slope of the attenuation in the ISM. |
| attenuation.slope_BC | [-1.3] | Power law slope of the attenuation in the birth clouds. |
| dale2014 | Dust emission from the galaxy. | |
| dust.alpha | [1.0, 2.0, 3.0] | Slope for the dust emission law. |
| dust.fracAGN | [0] | Fraction of AGN luminosity set to zero. AGN emission is introduced by the SKIRTOR model. |
| skirtor2016 | AGN model. | |
| agn.t | [7, 9, 11] | Average edge-on optical depth at 9.7 μm. |
| agn.pl | [1.0] | Power-law exponent that sets the radial gradient of dust density. |
| agn.q | [1.0] | Index of the dust density gradient with polar angle. |
| agn.oa | [40] deg | Angle between the equatorial plane and the edge of the torus. |
| agn.R | [20] | Ratio of outer to inner radius of the torus (Rout/Rin). |
| agn.Mcl | [0.97] | Fraction of total dust mass inside clumps. 0.97 means 97% of total mass is inside the clumps and 3% in the interclump dust. |
| agn.i | [30, 50, 70, 90] deg | Viewing angle: i = [0, 90 - oa] (face-on, type 1 AGN); i = [90 - oa, 90] (edge-on, type 2 AGN). |
| agn.disk_type | 1 | Disc spectrum from Schartmann et al. (2005). |
| agn.delta | [-0.36] | Power-law of index δ modifying the optical slop of the disc. Negative values make the slope steeper where as positive values make it shallower. |
| agn.fracAGN | [0.0, 0.01, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.99] | Fraction of AGN IR luminosity to total IR luminosity (1 − 1000 μm). |
| agn.law | 0 | SMC extinction law for the polar dust. |
| agn.EBV | [0.0, 0.2, 0.4] mag | Extinction, E(B-V), in polar direction. |
| agn.emissivity | [1.6] | Emissivity index of the polar dust. |
| agn.temperature | [100] K | Temperature of the polar dust. |
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