Table 3.
Input parameters used to fit the SEDs of Astarte and Adonis with CIGALE.
Parameter | Values | |
---|---|---|
Star formation history Ciesla et al. (2017) | ||
Stellar age (i) | agemain | 0.8–3.2 Gyr by a bin of 0.2 Gyr |
e-folding time (ii) | τmain | 0.8, 1, 3, 5, 8 Gyr |
Age of burst/quench episode | tflex | 5, 10, 50, 100 Myr |
SFR ratio after/before | rSFR | 10−2, 10−1, 0, 101, 102, 103 |
Stellar synthesis population (Bruzual & Charlot 2003) | ||
Initial mass function | IMF | (Chabrier 2003) |
Metallicity | Z | 0.02 |
Separation age | 10 Myr | |
Dust attenuation laws | ||
(Calzetti et al. 2000) | ||
Colour excess of young stars | E(B − V) | 0.1–1 by a bin of 0.1 |
Reduction factor (iii) | fatt | 0.3, 0.5, 0.8, 1.0 |
(Charlot & Fall 2000), (Lo Faro et al. 2017) | ||
V-band attenuation in the ISM | ![]() |
0.3–3 by a bin of 0.1 |
![]() |
μ | 0.3, 0.5, 0.8, 1 |
Power law slope of the ISM | −0.7, –0.48 | |
Power law slope of the BC | −0.7 | |
Dust emission model (Draine et al. 2014) | ||
Mass fraction of PAH | qPAH | 1.77, 2.50, 3.19 |
Minimum radiation field | Umin | 10, 25, 30, 40 |
Power law slope | α | 2 |
Synchrotron emission | ||
Far-IR/radio correlation coefficient | 2.3–2.9 by a bin of 0.1 | |
Power law slope slope | αsynchrotron | 0.4–0.9 by a bin of 0.1 |
Notes. (i) The stellar age is the age of the main stellar population. (ii) The e-folding time is the time required for the assembly of the majority of the stellar population. (iii) The reduction factor fatt is the color excess in old relative to young stars.
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