Table 1.
CIGALE input parameters used to build the mocks SEDs and to fit the spectrum of galaxies at z ≥ 6.
| Parameter | Value | Definition |
|---|---|---|
| Stochastic SFH – STOCHASTICSFH | ||
| Age (Myr) | 300, 400, 500, 750 | For the mock catalog |
| 300, 500, 750, if 6 < z < 7 | Age of the galaxy | |
| 250, 350, 500, if 7 < z < 9 | since first star formation | |
| 150, 225, 300, if 9 < z < 12 | ||
| τmain (Myr) | 200, 300, 1000 | Time when smooth component peaks |
| τbreak (Myr) | 150 | Timescale where the fluctuations are no longer correlated |
| σ | 0.01, 0.1, 0.2, 0.4, 0.6, 0.8, 1.0 | One σ per run – burstiness level |
| α | 2 | PSD slope |
| NSFH | 500 | # of SFH per age value |
| 800 | ||
| Stellar population – BC03 | ||
| Metallicity | 0.004, 0.02 | |
| Emission lines – NEBULAR | ||
| log U | −3, −2 | Ionization parameter |
| fesc | 0.0, 0.1 | Lyman continuum photons escape fraction |
| fdust | 0.0, 0.1 | Lyman continuum photons fraction absorbed by dust |
| Dust attenuation – DUSTATT_MODIFIED_STARBURST | ||
| E(B–V) lines | [0.0, 0.2] | Color excess of the nebular lines (8 values linearly sampled) |
| E(B–V)s factor | 0.44 | Color excess ratio between continuum & nebular |
Notes. Where there is only one row per parameter, the same values were used to build the mock catalog and to fit. In the case of multiple rows, the first one was used to build the mock catalog, and the others were used to fit. This configuration resulted in 92 1600 models per redshift.
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