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Table 1.
Parameters used for modelling the SEDs with CIGALE.
| Parameter | Values | Description | |
|---|---|---|---|
| Star formation history | |||
| τmain | 1.0, 1.8, 3.0 | e-folding time (main) | |
| Age | 8.5, 9.0, 10.0, 10.5, 11.0, 11.5, 12.0, 12.5, 13.0 | Population age (main) | |
| Age of quench | [0.01, 3], 10 values log-sampled | Age of the late quenching event | |
| r | [0.001, 1], 10 values log-sampled | Ratio of SFR after and prior to quenching | |
| Stellar emission | |||
| IMF | Chabrier (2003) | Initial mass function | |
| Z | 0.008, 0.02, 0.05 | Stellar metallicity (0.02) in solar | |
| Separation age | 0.01 | Age difference between old and young population | |
| Dust attenuation | |||
 |
0.3, 0.5, 0.8, 1.2, 1.5, 1.8, 2.3, 2.8 | V-band attenuation | |
| Slope BC | −0.7 | Power law slope of BC attenuation | |
| BC to ISM factor | 0.3, 0.5, 0.8, 1.0 | Ratio of the BC-to-ISM attenuation | |
| Slope ISM | −0.7 | ISM attenuation power law slope | |
| Dust emission | |||
| qPAH | 0.47, 1.12, 3.9, 4.6 | Mass fraction of PAH | |
| Umin | 1.0, 2.0, 5.0, 10.0, 15.0, 25.0 | Minimum radiation field | |
| α | 2.0 | Dust emission power law slope | |
| γ | 0.001, 0.01, 0.1 | Illuminated fraction | |
| AGN emission | |||
| rratio | 60. | Maximum to minimum radii of the dust torus | |
| τ | 1.0, 6.0 | Optical depth at 9.7 μm | |
| β | −0.5 | Radial dust distribution within the torus | |
| γ | 0.0 | Angular dust distribution within the torus | |
| Opening angle | 100° | γ Opening angle of the torus | |
| ψ | 0°, 90° | Angle between eq.axis and line of sight | |
| fAGN | 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.8 | AGN fraction | |
Notes. All ages and times are given in gigayears.
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