Table 1
Peak redshift (zpeak) values used in the simple model of hot and cold-mode RLF evolution, described in Sect. 5.2.
| Radio power range | z peak | |||
| Hot-mode | Cold-mode | Hot+Cold mode | Grid model | |
|
|
||||
| 24.00–24.50 | 0.8 (0.5) | 1.8 (1.0) | 0.4 | 1.1 |
| 24.50–25.00 | 0.8 (0.5) | 2.0 (2.0) | 1.1 | 1.4 |
| 25.00–25.50 | 0.8 (0.5) | 2.2 (2.0) | 1.2 | 1.2 |
| 25.50–26.00 | 0.8 (0.5) | 2.3 (2.0) | 1.3 | 1.2 |
| 26.00–26.50 | 0.8 (0.5) | 2.4 (2.0) | 1.3 | 1.4 |
| 26.50–27.00 | 0.8 (0.5) | 2.7 (2.0) | 1.3 | 1.9 |
| 27.00–27.50 | 0.8 (0.5) | 3.0 (3.0) | 2.2 | 2.3 |
| 27.50–28.00 | 0.8 (0.5) | 3.6 (3.0) | 2.2 | 3.4 |
Notes. In this model hot-mode sources increase as (1 + z) to zpeak = 0.8, whereas cold-mode sources have a luminosity dependent value of zpeak and a pre-peak increase of (1 + z)3. Both populations have a post-peak decline of (1 + z)-6.5. The numbers in brackets are the peak values after the predicted RLFs are re-sampled using the same redshift bins as in the grid modelling. The “Hot+Cold Mode” column gives zpeak for the combined hot- and cold-mode RLFs extracted via polynomial fitting. The “Grid Model” column gives the corresponding zpeak determined from the best-fit model grid (Sect. 4.2); the lower and upper bounds give the range arising from varying the input parameters used in the grid modelling, as shown by the shaded region in Fig. 5.
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