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Table 1.
Models and values of 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 | 1500, 2000, 3000, 4000, 5000 Myr |
| e-folding time | 200, 500, 700, 1000, 2000, 3000, 4000, 5000 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 | Chabrier (2003) |
| Metallicity | 0.02 (Solar) |
| Galactic dust extinction | |
| Dust attenuation law | Charlot & Fall (2000) law |
| V-band attenuation AV | 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 |
| Galactic dust emission: Dale et al. (2014) | |
| α slope in dMdust ∝ U−αdU | 2.0 |
| 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, 0.1, 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 |
| X-ray module | |
| AGN photon index Γ | 1.8 |
| Maximum deviation from the αox − L2500 Å relation | 0.2 |
| LMXB photon index | 1.56 |
| HMXB photon index | 2.0 |
| Total number of models (X-ray/reference galaxy catalogue) | 235 224 000/22 968 000 |
Notes. For the definitions of the various parameters see Sect. 3.1.
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