Open Access
Table 1.
Overview of selection steps taken to create our candidate target list for spectroscopic follow-up.
| Step | Description | Num. sources | Num. sources |
|---|---|---|---|
| remaining | removed | ||
| 1 | Num. sources in catalogue | 2 434 158 | |
| in LoTSS-DR2 footprint | |||
| with flag criteria: | |||
| zphot > 3.5 | |||
| fracflux _r/z < 0.2 | |||
| maskbits=0 | |||
| 2 | Colour cuts: | 1 573 757 | 860 401 |
| S/N g < 3 | |||
| r − z > 1.4 | |||
| −0.5< z − W1 < 2.5 | |||
| (if S/NW1 > 3) | |||
| 3 | Cross-match LoTSS-DR2 | 310 | 1 573 447 |
| 4 | EAZY SED fitting | 253 | 57 |
| 5 | Visual inspection | 142 | 111 |
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