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Table 2.
Definition of the parameters used in the main decision tree in Fig. 5.
| Parameter | Definition |
|---|---|
| Large optical galaxy | 2MASX size (rext) ≥60″ |
| Large | PYBDSF major axis > 15″ |
| Bright | Total flux density > 10 mJy |
| Isolated | Distance to nearest PYBDSF neighbour (NN) > 45″ |
| S | Single Gaussian component within an island |
| LR | LR > 0.639 |
| Clustered | Distance to fourth nearest PYBDSF neighbour < 45″ |
| NN LR | LRNN > 0.639 |
| Flux ratio | S/SNN < 10 |
| Separation criterion | S + SNN ≤ 50(dNN/100″)2 mJy |
Notes. See Sect. 6 for details.
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