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Table 3.
Modules and their parameters.
| Parameter | Unit | Prior |
|---|---|---|
| Galaxy components: | ||
| stellar_mass | M⊙ | log-uniform between 105 and 10mass_maxM⊙ |
| mass_max | logM⊙ | 15 (command-line parameter) |
| [sfhdelayed] | ||
| tau_main | Myr | 100, 200, 500, 1000, 3000, 5000, 7000, 10 000 |
| age | Myr | 158 to 10 000 in 18 log-uniform steps |
| sfr_A | 1 | |
| [m2005] | ||
| imf | 0 (Salpeter) | |
| metallicity | 0.02 (solar) | |
| separation_age | Myr | 10 |
| [nebular] | ||
| logU | −2.0 | |
| f_esc | 0.0 | |
| f_dust | 0.0 | |
| lines_width | km/s | 300 |
| [galdale] | ||
| alpha | uniform between 0.75 and 2.75 in steps of 0.0625 | |
| AGN components | ||
| [activate] | ||
| L_AGN | erg/s | log-uniform between 1038 and 1050, or |
| log-normal with parameters taken from the data file columns ‘FAGN’ (mean) | ||
| and ‘FAGN_err’ (standard deviation), shifted with the luminosity distance at redshift. | ||
| [activatelines] | ||
| AFeII | 0.6, 1, ..., 32 (10 logarithmic steps) | |
| Alines | 0.3, 0.5, 0.7, 1, 1.5, 2, 4, 10, 20 | |
| linewidth | km/s | 10 000 |
| [activategtorus] | ||
| fcov | uniform between 0.05 and 0.95 in steps of 0.05 | |
| Si | uniform between −4 and +4 in steps of 0.2 | |
| COOLlam | uniform between 10 and 30 in steps of 0.01 | |
| COOLwidth | uniform between 0.2 and 0.65 in steps of 0.05 | |
| HOTfcov | 0.04, 0.1, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.4, 1.6, 2.0, 2.5, 3, 5, 10 | |
| HOTlam | uniform between 1 and 5.5 in steps of 0.01 | |
| HOTwidth | uniform between 0.2 and 0.65 in steps of 0.05 | |
| [activatepl] | ||
| uvslope | 0 | |
| plslope | uniform between −2.7 and −1 in steps of 0.01 | |
| plbendloc | nm | 50. 80. 90. 100. 120. 150. |
| plbendwidth | dex | log-uniform between 0.1 and 10 with 10 steps |
| Attenuation & redshifting | ||
| [biattenuation] | ||
| Law | Prevot | |
| E(B-V) | log-uniform between 0.01 and 10 with 80 steps | |
| E(B-V)-AGN | log-uniform between 0.01 and 0.1 with 80 steps | |
| [redshifting] | ||
| redshift | spec-z mode: fixed value, from ‘redshift’ column of input file (used in this work) | |
| photo-z mode: if ‘redshift_err’ is also given: Weibull distribution matched in mean | ||
| and standard deviation to ‘redshift’ and ‘redshift_err’, except | ||
| no-z mode: if ‘redshift_err’ is negative: uniform distribution between 0.001 and 6. | ||
Notes. GRAHSP allows the user to specify the parameter ranges or values as they see fit. The last column lists the choices for this work. In cases of discrete parameters, grid values are specified. For continuous parameters, probability density functions are adopted.
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