Open Access

Table 2.

Fitting parameters in the CIGALE runs.

Star-Formation History
Delayed τ+starburst e-folding time of the main population 1000, 3000, 5000, 8000 Myrs
Age the main population 4000–13 000 (step 1000) Myrs
e-folding time of the late starburst population 9000, 13 000 Myrs
Age of the late starburst population 1, 50, 150 Myrs
Mass fraction of the late starburst population 0.01, 0.1, 0.25

Single Stellar Population

Bruzual & Charlot (2003) IMF Chabrier (1)
Metallicity Solar (0.02)

Dust attenuation

Modified starburst Colour excess 0.0, 0.1, 0.25, 0.4, 0.55, 0.7, 0.85, 1.0
Reduction factor 0.25, 0.5, 0.75
Slope delta of the power law modifying the attenuation curve –0.45, –0.3, –0.2, –0.1, 0
Extinction law Milky Way (1)

Dust emission

Draine et al. (2014) Mass fraction of PAH 2.5
Minimum radiation field 5, 15, 25
Power-law slope α in dM/dU ∝ Uα 2
Fraction illuminated from minimum to maximum radiation field 0.02

X-ray

X-CIGALE X-ray AGN photon index Γ 1.8
(Yang et al. 2020, 2022) Power slope αox –2.0, –1.8, –1.6, –1.4, –1.2
Max deviation from the α ox L ν , 2500 Å $ \alpha_{ox}-L_{\nu,2500\,\AA} $ relation 0.4
AGN X-ray angle coefficients (a1, a2) (0.5, 0)

AGN template

SKIRTOR Average edge-on optical depth at 9.7 μm 3, 7, 11
(Stalevski et al. 2012) Torus density radial parameter p 1
Torus density angular parameter q 1
Angle between the equatorial plane and edge of the torus 40°
Viewing angle 10, 30, 50, 70°
AGN fraction, fAGN 0, 0.1, 0.2, 0.3, 0.45, 0.6, 0.75, 0.9, 0.99
Restframe wavelength range where fAGN is computed 3–30 μm
Extinction law of polar dust SMC (0)
E(B-V) of polar dust 0, 0.2, 0.4, 0.8
Temperature of polar dust 100
Emissivity of polar dust 1.6

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.