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Table 1.
Models and the values for their free parameters used by X-CIGALE for the SED fitting of our galaxy sample.
| Parameter | Model/values |
|---|---|
| Star formation history: delayed model and recent burst | |
| Age of the main population | 1000, 5000, 7000, 9000, 10 000, 11 000, 12 000 Myr |
| e-folding time | 1000, 3000, 5000, 7000, 9000, 10 000, 11 000, 12 000 Myr |
| Age of the burst | 50 Myr |
| Burst stellar mass fraction | 0.0, 0.005, 0.01, 0.015, 0.02, 0.05, 0.10, 0.15, 0.18, 0.20 |
| Simple stellar population: Bruzual & Charlot (2003) | |
| Initial mass function | Salpeter |
| Metallicity | 0.02 (Solar) |
| Galactic dust extinction | |
| Dust attenuation law | Calzetti et al. (2000) |
| Reddening E(B − V) | 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9 |
| Galactic dust emission: Dale et al. (2014) | |
| α slope in dMdust ∝ U−αdU | 1.0, 1.5, 2.0, 2.5, 3.0 |
| AGN module: SKIRTOR) | |
| Torus optical depth at 9.7 microns τ9.7 | 3.0, 7.0 |
| Torus density radial parameter p (ρ ∝ r−pe−q|cos(θ)|) | 1.0 |
| Torus density angular parameter q (ρ ∝ r−pe−q|cos(θ)|) | 1.0 |
| Angle between the equatorial plan and edge of the torus | 40° |
| Ratio of the maximum to minimum radii of the torus | 20 |
| Viewing angle | 30° (type 1), 70° (type 2) |
| AGN fraction | 0.0, 0.01, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.99 |
| Extinction law of polar dust | SMC |
| E(B − V) of polar dust | 0.0, 0.2, 0.4 |
| Temperature of polar dust (K) | 100 |
| Emissivity of polar dust | 1.6 |
Notes. For the definitions of the various parameters, see Sect. 3.1.
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