Table 1.
Sample properties.
| No. of sources | z | log(L1.4 GHz) | log(L[OIII]) | No. of [O III] detections | |
|---|---|---|---|---|---|
| All radio AGN | 129 | 0.12 | 24.6 | 40.9 | 93 |
| Radio spectral shape | |||||
| Peaked | 37 | 0.10 | 24.4 | 40.9 | 30 |
| Non-peaked | 44 | 0.12 | 24.9 | 41.2 | 32 |
| Flat-spectrum | 43 | 0.12 | 24.4 | 40.5 | 27 |
| Convex | 5 | 0.16 | 24.6 | 41.0 | 4 |
| Radio morphology | |||||
| Compact | 64 | 0.11 | 24.67 | 41.1 | 52 |
| Extended | 65 | 0.12 | 24.61 | 40.7 | 41 |
| Central radio luminosity | |||||
| 22.7 ≤ log(L1.4 GHz) < 24.2 | 64 | 0.07 | 23.8 | 40.9 | 56 |
| 24.2 ≤ log(L1.4 GHz)≤26.1 | 65 | 0.16 | 24.9 | 41.1 | 37 |
| BPT diagram | |||||
| Low-ionisation | 58 | 0.08 | 24.4 | 40.4 | 58 |
| High-ionisation | 23 | 0.11 | 25.0 | 41.4 | 23 |
| Optical luminosity | |||||
| 38.3 ≤ log(L[OIII])≤40.2 | 65 | 0.09 | 24.3 | 39.8 | 43 |
| 40.2 < log(L[OIII])≤42.4 | 64 | 0.14 | 24.8 | 41.1 | 50 |
| Eddington ratio | |||||
| 4.6 × 10−5 ≤ λEdd ≤ 1.1 × 10−3 | 61 | 0.11 | 24.4 | 40.1 | 44 |
| 1.1 × 10−3 < λEdd ≤ 2.6 × 10−1 | 60 | 0.13 | 24.8 | 40.8 | 43 |
Notes. Properties of the radio AGN sample and the classification groups. z, log(L1.4 GHz) and log(L[OIII]) columns list the average SDSS redshift, average central 1.4 GHz luminosity in W Hz−1 (estimated using the FIRST peak flux density) and average observed [O III] luminosity in erg s−1 respectively. See Sect. 3 for details of how the groups were constructed.
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