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Table A.1

Parameters used for the various properties in the CIGALE model SEDs where they differ from the default values.

Parameter Value Description
Star formation history

τmain 1.0, 1.8, 3.0, 5.0, 7.0 e-folding time (main)
τburst 9.0, 13.0 e-folding time (burst)
fburst 0.00, 0.10, 0.20, 0.30 Burst mass fraction
Age 1.00, 1.50, 2.00, 2.50, 3.00, 3.50, 4.00, Population age (main)
4.50, 5.00, 5.50, 6.00, 6.50, 7.00, 7.50,
8.00, 8.50, 9.00, 9.50, 10.00, 10.50,
11.00, 12.00, 13.00
Burst age 0.001, 0.010, 0.030, 0.100, 0.300 Population age (burst)

Stellar emission

IMF Chabrier (2003) Initial mass function
Z 0.02 Metallicity (0.02 is Solar)
Separation age 0.01 Separation between young and old stellar populations

Dust attenuation

A 0.3, 1.2, 2.3, 3.3, 3.8 V-band attenuation of the birth clouds
SlopeBC –0.7 Birth cloud attenuation power law slope
BC to ISM Factor 0.3, 0.5, 0.8, 1.0 Ratio of the birth cloud attenuation to ISM attenuation
SlopeISM –0.7 ISM attenuation power law slope

Dust emission

qPAH 0.47, 1.12, 2.50, 3.9 Mass fraction of PAH
Umin 5.0, 10.0, 25.0 Minimum scaling factor of the radiation field intensity
α 2.0 Dust power law slope
γ 0.02 Illuminated fraction

AGN emission

rratio 60.0 Ratio of maximum to minimum radii
τ 1.0, 6.0 Optical depth at 9.7 μm
β –0.5 β coefficient for the gas density function of the torusa
γ 0.0 γ coefficient for the gas density function of the torusa
Opening angle 100.0° Opening angle of the torus
ψ 0.001°, 89.990° Angle between equatorial axis and line of sight
fracAGN 0.0, 0.1, 0.3, 0.5, 0.7 AGN fraction

Notes. All ages and times are in Gyr. (a)Density function of the torus can be found in Fritz et al. (2006) as Eq. (3).

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