Table C.1.
Impact of model assumptions on the efficiency of SED-based AGN classification.
| Category | N | Default | IMF | Dust | Dust | SFH | Z | SSP | AGN |
|---|---|---|---|---|---|---|---|---|---|
| atten. | emission | model | model | ||||||
| % | % | % | % | % | % | % | % | ||
| BL AGN | 1 033 | 78 | 79 | 75 | 75 | 80 | 83 | 81 | 92 |
| BPT-AGN | 1 479 | 65 | 66 | 55 | 65 | 70 | 67 | 75 | 80 |
| BPT-SF | 1 901 | 21 | 22 | 15 | 27 | 24 | 16 | 30 | 27 |
| WISE-AGN | 2 244 | 85 | 86 | 75 | 81 | 89 | 89 | 87 | 97 |
| NII-AGN | 2 215 | 64 | 66 | 53 | 65 | 70 | 66 | 75 | 78 |
| NII-SF | 2 118 | 26 | 26 | 19 | 30 | 29 | 20 | 34 | 32 |
| NII-LINER | 655 | 47 | 47 | 43 | 52 | 48 | 50 | 62 | 56 |
| NII-COMPOSITE | 3 543 | 29 | 30 | 20 | 36 | 33 | 26 | 43 | 40 |
| SII-AGN | 1 473 | 64 | 65 | 55 | 66 | 69 | 67 | 75 | 79 |
| SII-SF | 6 336 | 30 | 31 | 21 | 36 | 34 | 27 | 42 | 40 |
| SII-LINER | 360 | 44 | 44 | 48 | 46 | 45 | 52 | 62 | 54 |
| OI-AGN | 1 700 | 65 | 66 | 56 | 65 | 70 | 68 | 75 | 80 |
| OI-SF | 6 311 | 31 | 31 | 21 | 37 | 34 | 27 | 42 | 40 |
| OI-LINER | 333 | 48 | 48 | 50 | 46 | 48 | 52 | 63 | 57 |
| WHAN-AGN | 6 301 | 40 | 40 | 29 | 45 | 44 | 38 | 52 | 51 |
| WHAN-SF | 2 069 | 34 | 34 | 28 | 35 | 36 | 30 | 41 | 42 |
| WHAN-RG | 876 | 51 | 51 | 50 | 49 | 50 | 53 | 63 | 59 |
| X-RAY-AGN | 440 | 25 | 25 | 19 | 22 | 28 | 23 | 31 | 32 |
| RADIO-AGN | 1 141 | 24 | 25 | 19 | 24 | 27 | 24 | 31 | 32 |
| SED-AGN-only | 4 291 | 8 | 7 | 8 | 6 | 7 | 7 | 6 | 7 |
Notes. Each row corresponds to a reference category (AGN, star-forming, LINERs, composite, and retired galaxies) based on standard selection methods (e.g., BPT, WISE, X-ray, and radio). Values represent the percentage of objects in each category that are also classified as AGNs by the SED-fitting approach under different model configurations (relative to the default setup; see text for details). For the row SED-AGN, values indicate the fraction of galaxies identified solely by the SED method, not overlapping with any standard AGN selection.
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