Table 5.
Number of sources of the masked (mask z) LoTSS-DR1 value-added source catalogue for various flux density thresholds and for different values of minimum redshift z.
| z | Smin | N | Nz | fz |
|---|---|---|---|---|
| (mJy) | ||||
| all | 0 | 298 950 | 153 111 | 0.512 |
| 1 | 102 370 | 52 012 | 0.508 | |
| 2 | 50 977 | 24 420 | 0.479 | |
| 4 | 30 372 | 14 506 | 0.478 | |
| 8 | 19 499 | 9591 | 0.492 | |
| > 0.2 | 0 | 130 571 | ||
| 1 | 40 295 | |||
| > 0.5 | 0 | 81 940 | ||
| 1 | 26 014 | |||
| > 1.0 | 0 | 18 854 | ||
| 1 | 6651 | |||
Notes. Nz denotes the number of radio sources with redshift information “z_best” and N is the total number of sources for the given cuts. Objects without redshift information are included in N. There are 145 839 radio sources without redshift estimate at any S and 50 358 radio sources with S > 1 mJy. Also shown is the fraction of sources with redshift information fz = Nz/N.
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